72396101513 has 2 divisors, whose sum is σ = 72396101514. Its totient is φ = 72396101512.

The previous prime is 72396101429. The next prime is 72396101539. The reversal of 72396101513 is 31510169327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56042039824 + 16354061689 = 236732^2 + 127883^2 .

It is a cyclic number.

It is not a de Polignac number, because 72396101513 - 2⁸ = 72396101257 is a prime.

It is not a weakly prime, because it can be changed into another prime (72396101563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36198050756 + 36198050757.

It is an arithmetic number, because the mean of its divisors is an integer number (36198050757).

Almost surely, 2^72396101513 is an apocalyptic number.

It is an amenable number.

72396101513 is a deficient number, since it is larger than the sum of its proper divisors (1).

72396101513 is an equidigital number, since it uses as much as digits as its factorization.

72396101513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 72396101513 in words is "seventy-two billion, three hundred ninety-six million, one hundred one thousand, five hundred thirteen".