64265237713 has 2 divisors, whose sum is σ = 64265237714. Its totient is φ = 64265237712.

The previous prime is 64265237671. The next prime is 64265237723. The reversal of 64265237713 is 31773256246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64246027024 + 19210689 = 253468^2 + 4383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64265237713 is a prime.

It is not a weakly prime, because it can be changed into another prime (64265237723) 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, 32132618856 + 32132618857.

It is an arithmetic number, because the mean of its divisors is an integer number (32132618857).

Almost surely, 2^64265237713 is an apocalyptic number.

It is an amenable number.

64265237713 is a deficient number, since it is larger than the sum of its proper divisors (1).

64265237713 is an equidigital number, since it uses as much as digits as its factorization.

64265237713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 46.

The spelling of 64265237713 in words is "sixty-four billion, two hundred sixty-five million, two hundred thirty-seven thousand, seven hundred thirteen".