697699386243 has 32 divisors (see below), whose sum is σ = 1036825920000. Its totient is φ = 463695444576.

The previous prime is 697699386233. The next prime is 697699386257. The reversal of 697699386243 is 342683996796.

It is not a de Polignac number, because 697699386243 - 2⁸ = 697699385987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (697699386233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21399328 + ... + 21431906.

It is an arithmetic number, because the mean of its divisors is an integer number (32400810000).

Almost surely, 2^697699386243 is an apocalyptic number.

697699386243 is a deficient number, since it is larger than the sum of its proper divisors (339126533757).

697699386243 is a wasteful number, since it uses less digits than its factorization.

697699386243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35016 (or 35010 counting only the distinct ones).

The product of its digits is 634894848, while the sum is 72.

The spelling of 697699386243 in words is "six hundred ninety-seven billion, six hundred ninety-nine million, three hundred eighty-six thousand, two hundred forty-three".