8649974231 has 8 divisors (see below), whose sum is σ = 8884856064. Its totient is φ = 8418203640.

The previous prime is 8649974227. The next prime is 8649974243. The reversal of 8649974231 is 1324799468.

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 8649974231 - 2² = 8649974227 is a prime.

It is a super-2 number, since 2×8649974231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649974261) 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, 772175 + ... + 783296.

It is an arithmetic number, because the mean of its divisors is an integer number (1110607008).

Almost surely, 2^8649974231 is an apocalyptic number.

8649974231 is a deficient number, since it is larger than the sum of its proper divisors (234881833).

8649974231 is a wasteful number, since it uses less digits than its factorization.

8649974231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555621.

The product of its digits is 2612736, while the sum is 53.

The square root of 8649974231 is about 93005.2376535859. The cubic root of 8649974231 is about 2052.7604478699.

The spelling of 8649974231 in words is "eight billion, six hundred forty-nine million, nine hundred seventy-four thousand, two hundred thirty-one".