693913683898 has 16 divisors (see below), whose sum is σ = 1125547104384. Its totient is φ = 319599793600.

The previous prime is 693913683809. The next prime is 693913683899. The reversal of 693913683898 is 898386319396.

It is a self number, because there is not a number n which added to its sum of digits gives 693913683898.

It is not an unprimeable number, because it can be changed into a prime (693913683899) 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 7 ways as a sum of consecutive naturals, for example, 217117828 + ... + 217121023.

It is an arithmetic number, because the mean of its divisors is an integer number (70346694024).

Almost surely, 2^693913683898 is an apocalyptic number.

693913683898 is a deficient number, since it is larger than the sum of its proper divisors (431633420486).

693913683898 is a wasteful number, since it uses less digits than its factorization.

693913683898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434238917.

The product of its digits is 362797056, while the sum is 73.

The spelling of 693913683898 in words is "six hundred ninety-three billion, nine hundred thirteen million, six hundred eighty-three thousand, eight hundred ninety-eight".