9974752331 has 4 divisors (see below), whose sum is σ = 10186981152. Its totient is φ = 9762523512.

The previous prime is 9974752327. The next prime is 9974752369. The reversal of 9974752331 is 1332574799.

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

It is a cyclic number.

It is not a de Polignac number, because 9974752331 - 2² = 9974752327 is a prime.

It is a super-2 number, since 2×9974752331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9974752331.

It is not an unprimeable number, because it can be changed into a prime (9974752321) 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, 106114340 + ... + 106114433.

It is an arithmetic number, because the mean of its divisors is an integer number (2546745288).

Almost surely, 2^9974752331 is an apocalyptic number.

9974752331 is a deficient number, since it is larger than the sum of its proper divisors (212228821).

9974752331 is a wasteful number, since it uses less digits than its factorization.

9974752331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212228820.

The product of its digits is 1428840, while the sum is 50.

The square root of 9974752331 is about 99873.6818736548. The cubic root of 9974752331 is about 2152.6200134977.

The spelling of 9974752331 in words is "nine billion, nine hundred seventy-four million, seven hundred fifty-two thousand, three hundred thirty-one".