6465279187013 has 2 divisors, whose sum is σ = 6465279187014. Its totient is φ = 6465279187012.

The previous prime is 6465279186983. The next prime is 6465279187027. The reversal of 6465279187013 is 3107819725646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5905838017249 + 559441169764 = 2430193^2 + 747958^2 .

It is a cyclic number.

It is not a de Polignac number, because 6465279187013 - 2⁸ = 6465279186757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6465279187513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232639593506 + 3232639593507.

It is an arithmetic number, because the mean of its divisors is an integer number (3232639593507).

It is a 2-persistent number, because it is pandigital, and so is 2⋅6465279187013 = 12930558374026, but 3⋅6465279187013 = 19395837561039 is not.

Almost surely, 2^{6465279187013} is an apocalyptic number.

It is an amenable number.

6465279187013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6465279187013 is an equidigital number, since it uses as much as digits as its factorization.

6465279187013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 6465279187013 in words is "six trillion, four hundred sixty-five billion, two hundred seventy-nine million, one hundred eighty-seven thousand, thirteen".