9713215313644 has 6 divisors (see below), whose sum is σ = 16998126798884. Its totient is φ = 4856607656820.

The previous prime is 9713215313603. The next prime is 9713215313651. The reversal of 9713215313644 is 4463135123179.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214151914202 + ... + 1214151914209.

Almost surely, 2^{9713215313644} is an apocalyptic number.

It is an amenable number.

9713215313644 is a deficient number, since it is larger than the sum of its proper divisors (7284911485240).

9713215313644 is a wasteful number, since it uses less digits than its factorization.

9713215313644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428303828415 (or 2428303828413 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

The spelling of 9713215313644 in words is "nine trillion, seven hundred thirteen billion, two hundred fifteen million, three hundred thirteen thousand, six hundred forty-four".