694597941836 has 24 divisors (see below), whose sum is σ = 1216332791520. Its totient is φ = 347074371072.

The previous prime is 694597941781. The next prime is 694597941857. The reversal of 694597941836 is 638149795496.

It is a self number, because there is not a number n which added to its sum of digits gives 694597941836.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50586620 + ... + 50600348.

It is an arithmetic number, because the mean of its divisors is an integer number (50680532980).

Almost surely, 2^694597941836 is an apocalyptic number.

It is an amenable number.

694597941836 is a deficient number, since it is larger than the sum of its proper divisors (521734849684).

694597941836 is a wasteful number, since it uses less digits than its factorization.

694597941836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20993 (or 20991 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 71.

The spelling of 694597941836 in words is "six hundred ninety-four billion, five hundred ninety-seven million, nine hundred forty-one thousand, eight hundred thirty-six".