8468458521 has 16 divisors (see below), whose sum is σ = 11323901760. Its totient is φ = 5629351680.

The previous prime is 8468458507. The next prime is 8468458541. The reversal of 8468458521 is 1258548648.

It is not a de Polignac number, because 8468458521 - 2⁷ = 8468458393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8468458541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904661 + ... + 1909101.

It is an arithmetic number, because the mean of its divisors is an integer number (707743860).

Almost surely, 2^8468458521 is an apocalyptic number.

It is an amenable number.

8468458521 is a deficient number, since it is larger than the sum of its proper divisors (2855443239).

8468458521 is a wasteful number, since it uses less digits than its factorization.

8468458521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136.

The product of its digits is 2457600, while the sum is 51.

The square root of 8468458521 is about 92024.2279022215. The cubic root of 8468458521 is about 2038.3000801599.

The spelling of 8468458521 in words is "eight billion, four hundred sixty-eight million, four hundred fifty-eight thousand, five hundred twenty-one".