3648017731848 has 128 divisors (see below), whose sum is σ = 11059963326720. Its totient is φ = 978851266560.

The previous prime is 3648017731843. The next prime is 3648017731861. The reversal of 3648017731848 is 8481377108463.

It is a junction number, because it is equal to n+sod(n) for n = 3648017731791 and 3648017731800.

It is not an unprimeable number, because it can be changed into a prime (3648017731843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68761 + ... + 2701992.

It is an arithmetic number, because the mean of its divisors is an integer number (86405963490).

Almost surely, 2^{3648017731848} 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 3648017731848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5529981663360).

3648017731848 is an abundant number, since it is smaller than the sum of its proper divisors (7411945594872).

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

3648017731848 is a wasteful number, since it uses less digits than its factorization.

3648017731848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771247 (or 2771243 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 3648017731848 in words is "three trillion, six hundred forty-eight billion, seventeen million, seven hundred thirty-one thousand, eight hundred forty-eight".