72982554413 has 2 divisors, whose sum is σ = 72982554414. Its totient is φ = 72982554412.

The previous prime is 72982554391. The next prime is 72982554451. The reversal of 72982554413 is 31445528927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56738287204 + 16244267209 = 238198^2 + 127453^2 .

It is an emirp because it is prime and its reverse (31445528927) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72982554413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72982514413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36491277206 + 36491277207.

It is an arithmetic number, because the mean of its divisors is an integer number (36491277207).

Almost surely, 2^72982554413 is an apocalyptic number.

It is an amenable number.

72982554413 is a deficient number, since it is larger than the sum of its proper divisors (1).

72982554413 is an equidigital number, since it uses as much as digits as its factorization.

72982554413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 50.

The spelling of 72982554413 in words is "seventy-two billion, nine hundred eighty-two million, five hundred fifty-four thousand, four hundred thirteen".