93713647613 has 4 divisors (see below), whose sum is σ = 94199210748. Its totient is φ = 93228084480.

The previous prime is 93713647609. The next prime is 93713647661. The reversal of 93713647613 is 31674631739.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22255269124 + 71458378489 = 149182^2 + 267317^2 .

It is a cyclic number.

It is not a de Polignac number, because 93713647613 - 2² = 93713647609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93713647673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242781278 + ... + 242781663.

It is an arithmetic number, because the mean of its divisors is an integer number (23549802687).

Almost surely, 2^93713647613 is an apocalyptic number.

It is an amenable number.

93713647613 is a deficient number, since it is larger than the sum of its proper divisors (485563135).

93713647613 is a wasteful number, since it uses less digits than its factorization.

93713647613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485563134.

The product of its digits is 1714608, while the sum is 50.

The spelling of 93713647613 in words is "ninety-three billion, seven hundred thirteen million, six hundred forty-seven thousand, six hundred thirteen".