64401460455239 has 2 divisors, whose sum is σ = 64401460455240. Its totient is φ = 64401460455238.

The previous prime is 64401460455217. The next prime is 64401460455259. The reversal of 64401460455239 is 93255406410446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64401460455239 - 2¹⁶ = 64401460389703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64401460455259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32200730227619 + 32200730227620.

It is an arithmetic number, because the mean of its divisors is an integer number (32200730227620).

Almost surely, 2^{64401460455239} is an apocalyptic number.

64401460455239 is a deficient number, since it is larger than the sum of its proper divisors (1).

64401460455239 is an equidigital number, since it uses as much as digits as its factorization.

64401460455239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 64401460455239 in words is "sixty-four trillion, four hundred one billion, four hundred sixty million, four hundred fifty-five thousand, two hundred thirty-nine".