674113891128 has 32 divisors (see below), whose sum is σ = 1700198758800. Its totient is φ = 222716092928.

The previous prime is 674113891123. The next prime is 674113891261. The reversal of 674113891128 is 821198311476.

674113891128 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×674113891128² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674113891123) 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, 124280823 + ... + 124286246.

Almost surely, 2^674113891128 is an apocalyptic number.

It is an amenable number.

674113891128 is an abundant number, since it is smaller than the sum of its proper divisors (1026084867672).

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

674113891128 is a wasteful number, since it uses less digits than its factorization.

674113891128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248567191 (or 248567187 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The spelling of 674113891128 in words is "six hundred seventy-four billion, one hundred thirteen million, eight hundred ninety-one thousand, one hundred twenty-eight".