4648938538932 has 72 divisors (see below), whose sum is σ = 12045574424520. Its totient is φ = 1510911866880.

The previous prime is 4648938538931. The next prime is 4648938538957. The reversal of 4648938538932 is 2398358398464.

It is a happy number.

4648938538932 is a `hidden beast` number, since 4 + 6 + 4 + 89 + 3 + 8 + 538 + 9 + 3 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 782736556176 + 3866201982756 = 884724^2 + 1966266^2 .

It is a super-2 number, since 2×4648938538932² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648938538931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1404444 + ... + 3357132.

It is an arithmetic number, because the mean of its divisors is an integer number (167299644785).

Almost surely, 2^{4648938538932} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4648938538932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6022787212260).

4648938538932 is an abundant number, since it is smaller than the sum of its proper divisors (7396635885588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4648938538932 is a wasteful number, since it uses less digits than its factorization.

4648938538932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954353 (or 1954348 counting only the distinct ones).

The product of its digits is 1074954240, while the sum is 72.

The spelling of 4648938538932 in words is "four trillion, six hundred forty-eight billion, nine hundred thirty-eight million, five hundred thirty-eight thousand, nine hundred thirty-two".