68940854102 has 16 divisors (see below), whose sum is σ = 104774258160. Its totient is φ = 34018720512.

The previous prime is 68940854093. The next prime is 68940854123. The reversal of 68940854102 is 20145804986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601952 + ... + 707267.

It is an arithmetic number, because the mean of its divisors is an integer number (6548391135).

Almost surely, 2^68940854102 is an apocalyptic number.

68940854102 is a deficient number, since it is larger than the sum of its proper divisors (35833404058).

68940854102 is a wasteful number, since it uses less digits than its factorization.

68940854102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309567.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 68940854102 in words is "sixty-eight billion, nine hundred forty million, eight hundred fifty-four thousand, one hundred two".