64624936339 has 2 divisors, whose sum is σ = 64624936340. Its totient is φ = 64624936338.

The previous prime is 64624936333. The next prime is 64624936357. The reversal of 64624936339 is 93363942646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64624936339 - 2¹⁵ = 64624903571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64624936339.

It is not a weakly prime, because it can be changed into another prime (64624936333) 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, 32312468169 + 32312468170.

It is an arithmetic number, because the mean of its divisors is an integer number (32312468170).

Almost surely, 2^64624936339 is an apocalyptic number.

64624936339 is a deficient number, since it is larger than the sum of its proper divisors (1).

64624936339 is an equidigital number, since it uses as much as digits as its factorization.

64624936339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15116544, while the sum is 55.

The spelling of 64624936339 in words is "sixty-four billion, six hundred twenty-four million, nine hundred thirty-six thousand, three hundred thirty-nine".