9972513748 has 12 divisors (see below), whose sum is σ = 17462934720. Its totient is φ = 4983103832.

The previous prime is 9972513743. The next prime is 9972513757. The reversal of 9972513748 is 8473152799.

It is a happy number.

9972513748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972513743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781138 + ... + 793801.

It is an arithmetic number, because the mean of its divisors is an integer number (1455244560).

Almost surely, 2^9972513748 is an apocalyptic number.

It is an amenable number.

9972513748 is a deficient number, since it is larger than the sum of its proper divisors (7490420972).

9972513748 is a wasteful number, since it uses less digits than its factorization.

9972513748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576526 (or 1576524 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The square root of 9972513748 is about 99862.4741732349. The cubic root of 9972513748 is about 2152.4589675909.

The spelling of 9972513748 in words is "nine billion, nine hundred seventy-two million, five hundred thirteen thousand, seven hundred forty-eight".