451013983 has 12 divisors (see below), whose sum is σ = 525094032. Its totient is φ = 386255520.

The previous prime is 451013951. The next prime is 451013993. The reversal of 451013983 is 389310154.

It is not a de Polignac number, because 451013983 - 2⁵ = 451013951 is a prime.

It is a super-2 number, since 2×451013983² = 406827225723048578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451013903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67723 + ... + 74083.

It is an arithmetic number, because the mean of its divisors is an integer number (43757836).

Almost surely, 2^451013983 is an apocalyptic number.

451013983 is a deficient number, since it is larger than the sum of its proper divisors (74080049).

451013983 is a wasteful number, since it uses less digits than its factorization.

451013983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822 (or 7815 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 451013983 is about 21237.0897959207. The cubic root of 451013983 is about 766.8845745006.

The spelling of 451013983 in words is "four hundred fifty-one million, thirteen thousand, nine hundred eighty-three".