68986338131 has 2 divisors, whose sum is σ = 68986338132. Its totient is φ = 68986338130.

The previous prime is 68986338107. The next prime is 68986338191. The reversal of 68986338131 is 13183368986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68986338131 - 2¹⁰ = 68986337107 is a prime.

It is a super-2 number, since 2×68986338131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68986338191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34493169065 + 34493169066.

It is an arithmetic number, because the mean of its divisors is an integer number (34493169066).

Almost surely, 2^68986338131 is an apocalyptic number.

68986338131 is a deficient number, since it is larger than the sum of its proper divisors (1).

68986338131 is an equidigital number, since it uses as much as digits as its factorization.

68986338131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 56.

The spelling of 68986338131 in words is "sixty-eight billion, nine hundred eighty-six million, three hundred thirty-eight thousand, one hundred thirty-one".