72956379564499 has 2 divisors, whose sum is σ = 72956379564500. Its totient is φ = 72956379564498.

The previous prime is 72956379564473. The next prime is 72956379564533. The reversal of 72956379564499 is 99446597365927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72956379564499 - 2³³ = 72947789629907 is a prime.

It is a super-2 number, since 2×72956379564499² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72956379564199) 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, 36478189782249 + 36478189782250.

It is an arithmetic number, because the mean of its divisors is an integer number (36478189782250).

Almost surely, 2^{72956379564499} is an apocalyptic number.

72956379564499 is a deficient number, since it is larger than the sum of its proper divisors (1).

72956379564499 is an equidigital number, since it uses as much as digits as its factorization.

72956379564499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27776649600, while the sum is 85.

The spelling of 72956379564499 in words is "seventy-two trillion, nine hundred fifty-six billion, three hundred seventy-nine million, five hundred sixty-four thousand, four hundred ninety-nine".