79247334013 has 2 divisors, whose sum is σ = 79247334014. Its totient is φ = 79247334012.

The previous prime is 79247333959. The next prime is 79247334029. The reversal of 79247334013 is 31043374297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74265515289 + 4981818724 = 272517^2 + 70582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79247334013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79247334713) 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, 39623667006 + 39623667007.

It is an arithmetic number, because the mean of its divisors is an integer number (39623667007).

Almost surely, 2^79247334013 is an apocalyptic number.

It is an amenable number.

79247334013 is a deficient number, since it is larger than the sum of its proper divisors (1).

79247334013 is an equidigital number, since it uses as much as digits as its factorization.

79247334013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 79247334013 in words is "seventy-nine billion, two hundred forty-seven million, three hundred thirty-four thousand, thirteen".