921617430696 has 48 divisors (see below), whose sum is σ = 2563507950900. Its totient is φ = 298902949632.

The previous prime is 921617430691. The next prime is 921617430737. The reversal of 921617430696 is 696034716129.

921617430696 is a `hidden beast` number, since 92 + 1 + 61 + 7 + 430 + 69 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 914184576900 + 7432853796 = 956130^2 + 86214^2 .

It is not an unprimeable number, because it can be changed into a prime (921617430691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172973581 + ... + 172978908.

Almost surely, 2^921617430696 is an apocalyptic number.

It is an amenable number.

921617430696 is an abundant number, since it is smaller than the sum of its proper divisors (1641890520204).

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

921617430696 is a wasteful number, since it uses less digits than its factorization.

921617430696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345952538 (or 345952531 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 921617430696 in words is "nine hundred twenty-one billion, six hundred seventeen million, four hundred thirty thousand, six hundred ninety-six".