499455451 has 24 divisors (see below), whose sum is σ = 584614800. Its totient is φ = 425145600.

The previous prime is 499455443. The next prime is 499455457. The reversal of 499455451 is 154554994.

It is not a de Polignac number, because 499455451 - 2³ = 499455443 is a prime.

It is a super-2 number, since 2×499455451² = 498911495067226802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (499455457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203391 + ... + 205831.

It is an arithmetic number, because the mean of its divisors is an integer number (24358950).

Almost surely, 2^499455451 is an apocalyptic number.

499455451 is a deficient number, since it is larger than the sum of its proper divisors (85159349).

499455451 is a wasteful number, since it uses less digits than its factorization.

499455451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 2560 counting only the distinct ones).

The product of its digits is 648000, while the sum is 46.

The square root of 499455451 is about 22348.4999720339. The cubic root of 499455451 is about 793.4122820983.

The spelling of 499455451 in words is "four hundred ninety-nine million, four hundred fifty-five thousand, four hundred fifty-one".