9999974297 has 4 divisors (see below), whose sum is σ = 10000473600. Its totient is φ = 9999474996.

The previous prime is 9999974269. The next prime is 9999974321. The reversal of 9999974297 is 7924799999.

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 9999974297 - 2⁶ = 9999974233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9999974597) 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, 218297 + ... + 260102.

It is an arithmetic number, because the mean of its divisors is an integer number (2500118400).

Almost surely, 2^9999974297 is an apocalyptic number.

It is an amenable number.

9999974297 is a deficient number, since it is larger than the sum of its proper divisors (499303).

9999974297 is a wasteful number, since it uses less digits than its factorization.

9999974297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499302.

The product of its digits is 208324872, while the sum is 74.

The square root of 9999974297 is about 99999.8714849174. The cubic root of 9999974297 is about 2154.4328441825.

The spelling of 9999974297 in words is "nine billion, nine hundred ninety-nine million, nine hundred seventy-four thousand, two hundred ninety-seven".