65313149939 has 2 divisors, whose sum is σ = 65313149940. Its totient is φ = 65313149938.

The previous prime is 65313149903. The next prime is 65313150011. The reversal of 65313149939 is 93994131356.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65313149939 is a prime.

It is not a weakly prime, because it can be changed into another prime (65313148939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32656574969 + 32656574970.

It is an arithmetic number, because the mean of its divisors is an integer number (32656574970).

Almost surely, 2^65313149939 is an apocalyptic number.

65313149939 is a deficient number, since it is larger than the sum of its proper divisors (1).

65313149939 is an equidigital number, since it uses as much as digits as its factorization.

65313149939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2361960, while the sum is 53.

The spelling of 65313149939 in words is "sixty-five billion, three hundred thirteen million, one hundred forty-nine thousand, nine hundred thirty-nine".