64412308913 has 2 divisors, whose sum is σ = 64412308914. Its totient is φ = 64412308912.

The previous prime is 64412308903. The next prime is 64412308931. The reversal of 64412308913 is 31980321446.

Together with next prime (64412308931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55193044624 + 9219264289 = 234932^2 + 96017^2 .

It is a cyclic number.

It is not a de Polignac number, because 64412308913 - 2²⁸ = 64143873457 is a prime.

It is not a weakly prime, because it can be changed into another prime (64412308903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32206154456 + 32206154457.

It is an arithmetic number, because the mean of its divisors is an integer number (32206154457).

Almost surely, 2^64412308913 is an apocalyptic number.

It is an amenable number.

64412308913 is a deficient number, since it is larger than the sum of its proper divisors (1).

64412308913 is an equidigital number, since it uses as much as digits as its factorization.

64412308913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 64412308913 in words is "sixty-four billion, four hundred twelve million, three hundred eight thousand, nine hundred thirteen".