697537146432 has 168 divisors, whose sum is σ = 2216139352320. Its totient is φ = 192867333120.

The previous prime is 697537146389. The next prime is 697537146461. The reversal of 697537146432 is 234641735796.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 904207 + ... + 1487502.

Almost surely, 2^697537146432 is an apocalyptic number.

697537146432 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

697537146432 is an abundant number, since it is smaller than the sum of its proper divisors (1518602205888).

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

697537146432 is a wasteful number, since it uses less digits than its factorization.

697537146432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391769 (or 2391752 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 57.

The spelling of 697537146432 in words is "six hundred ninety-seven billion, five hundred thirty-seven million, one hundred forty-six thousand, four hundred thirty-two".