697971148836 has 24 divisors (see below), whose sum is σ = 1753876220544. Its totient is φ = 214760353440.

The previous prime is 697971148781. The next prime is 697971148859. The reversal of 697971148836 is 638841179796.

It is a happy 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, 2237086860 + ... + 2237087171.

It is an arithmetic number, because the mean of its divisors is an integer number (73078175856).

Almost surely, 2^697971148836 is an apocalyptic number.

It is an amenable number.

697971148836 is an abundant number, since it is smaller than the sum of its proper divisors (1055905071708).

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

697971148836 is a wasteful number, since it uses less digits than its factorization.

697971148836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474174051 (or 4474174049 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 69.

The spelling of 697971148836 in words is "six hundred ninety-seven billion, nine hundred seventy-one million, one hundred forty-eight thousand, eight hundred thirty-six".