814974489 has 12 divisors (see below), whose sum is σ = 1345354816. Its totient is φ = 465699672.

The previous prime is 814974473. The next prime is 814974491. The reversal of 814974489 is 984479418.

It is not a de Polignac number, because 814974489 - 2⁴ = 814974473 is a prime.

It is a super-2 number, since 2×814974489² = 1328366835441622242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814974089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6467989 + ... + 6468114.

Almost surely, 2^814974489 is an apocalyptic number.

It is an amenable number.

814974489 is a deficient number, since it is larger than the sum of its proper divisors (530380327).

814974489 is a wasteful number, since it uses less digits than its factorization.

814974489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936116 (or 12936113 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 814974489 is about 28547.7580380667. The cubic root of 814974489 is about 934.0741171445.

The spelling of 814974489 in words is "eight hundred fourteen million, nine hundred seventy-four thousand, four hundred eighty-nine".