9717472013 has 4 divisors (see below), whose sum is σ = 9854337888. Its totient is φ = 9580606140.

The previous prime is 9717471991. The next prime is 9717472021. The reversal of 9717472013 is 3102747179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9717472013 - 2¹⁶ = 9717406477 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 (9717472913) 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, 68432831 + ... + 68432972.

It is an arithmetic number, because the mean of its divisors is an integer number (2463584472).

Almost surely, 2^9717472013 is an apocalyptic number.

It is an amenable number.

9717472013 is a deficient number, since it is larger than the sum of its proper divisors (136865875).

9717472013 is a wasteful number, since it uses less digits than its factorization.

9717472013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136865874.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 9717472013 is about 98577.2388180963. The cubic root of 9717472013 is about 2133.9509506019.

The spelling of 9717472013 in words is "nine billion, seven hundred seventeen million, four hundred seventy-two thousand, thirteen".