690472795958 has 16 divisors (see below), whose sum is σ = 1178989122816. Its totient is φ = 300205563240.

The previous prime is 690472795919. The next prime is 690472796021. The reversal of 690472795958 is 859597274096.

690472795958 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 2×690472795958² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 690472795891 and 690472795900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682284866 + ... + 682285877.

It is an arithmetic number, because the mean of its divisors is an integer number (73686820176).

Almost surely, 2^690472795958 is an apocalyptic number.

690472795958 is a deficient number, since it is larger than the sum of its proper divisors (488516326858).

690472795958 is a wasteful number, since it uses less digits than its factorization.

690472795958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364570779.

The product of its (nonzero) digits is 342921600, while the sum is 71.

The spelling of 690472795958 in words is "six hundred ninety billion, four hundred seventy-two million, seven hundred ninety-five thousand, nine hundred fifty-eight".