849615516948 has 24 divisors (see below), whose sum is σ = 2162657679840. Its totient is φ = 257459247520.

The previous prime is 849615516947. The next prime is 849615516973.

It is a happy number.

849615516948 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849615516947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3218240463 + ... + 3218240726.

It is an arithmetic number, because the mean of its divisors is an integer number (90110736660).

Almost surely, 2^849615516948 is an apocalyptic number.

It is an amenable number.

849615516948 is an abundant number, since it is smaller than the sum of its proper divisors (1313042162892).

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

849615516948 is a wasteful number, since it uses less digits than its factorization.

849615516948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436481207 (or 6436481205 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 66.

The spelling of 849615516948 in words is "eight hundred forty-nine billion, six hundred fifteen million, five hundred sixteen thousand, nine hundred forty-eight".