934989638156 has 24 divisors (see below), whose sum is σ = 1870022251776. Its totient is φ = 400700635920.

The previous prime is 934989638147. The next prime is 934989638159. The reversal of 934989638156 is 651836989439.

934989638156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×934989638156² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 934989638156.

It is not an unprimeable number, because it can be changed into a prime (934989638159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936041 + ... + 1657151.

It is an arithmetic number, because the mean of its divisors is an integer number (77917593824).

Almost surely, 2^934989638156 is an apocalyptic number.

It is an amenable number.

934989638156 is an abundant number, since it is smaller than the sum of its proper divisors (935032613620).

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

934989638156 is a wasteful number, since it uses less digits than its factorization.

934989638156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767429 (or 767427 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 71.

The spelling of 934989638156 in words is "nine hundred thirty-four billion, nine hundred eighty-nine million, six hundred thirty-eight thousand, one hundred fifty-six".