93938712613 has 2 divisors, whose sum is σ = 93938712614. Its totient is φ = 93938712612.

The previous prime is 93938712607. The next prime is 93938712641. The reversal of 93938712613 is 31621783939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70035388164 + 23903324449 = 264642^2 + 154607^2 .

It is an emirp because it is prime and its reverse (31621783939) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93938712613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93938712653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46969356306 + 46969356307.

It is an arithmetic number, because the mean of its divisors is an integer number (46969356307).

Almost surely, 2^93938712613 is an apocalyptic number.

It is an amenable number.

93938712613 is a deficient number, since it is larger than the sum of its proper divisors (1).

93938712613 is an equidigital number, since it uses as much as digits as its factorization.

93938712613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The spelling of 93938712613 in words is "ninety-three billion, nine hundred thirty-eight million, seven hundred twelve thousand, six hundred thirteen".