9972608513 has 8 divisors (see below), whose sum is σ = 11397912000. Its totient is φ = 8547466320.

The previous prime is 9972608507. The next prime is 9972608521. The reversal of 9972608513 is 3158062799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9972608513 - 2⁶ = 9972608449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9972608713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155738 + ... + 210236.

It is an arithmetic number, because the mean of its divisors is an integer number (1424739000).

Almost surely, 2^9972608513 is an apocalyptic number.

It is an amenable number.

9972608513 is a deficient number, since it is larger than the sum of its proper divisors (1425303487).

9972608513 is a wasteful number, since it uses less digits than its factorization.

9972608513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80647.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 9972608513 is about 99862.9486496368. The cubic root of 9972608513 is about 2152.4657855686.

The spelling of 9972608513 in words is "nine billion, nine hundred seventy-two million, six hundred eight thousand, five hundred thirteen".