68838986051 has 32 divisors (see below), whose sum is σ = 80426853120. Its totient is φ = 58258569600.

The previous prime is 68838986009. The next prime is 68838986063. The reversal of 68838986051 is 15068983886.

It is a de Polignac number, because none of the positive numbers 2^k-68838986051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68838986081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5889425 + ... + 5901101.

It is an arithmetic number, because the mean of its divisors is an integer number (2513339160).

Almost surely, 2^68838986051 is an apocalyptic number.

68838986051 is a deficient number, since it is larger than the sum of its proper divisors (11587867069).

68838986051 is a wasteful number, since it uses less digits than its factorization.

68838986051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12195.

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 68838986051 in words is "sixty-eight billion, eight hundred thirty-eight million, nine hundred eighty-six thousand, fifty-one".