451013999 has 2 divisors, whose sum is σ = 451014000. Its totient is φ = 451013998.

The previous prime is 451013993. The next prime is 451014017. The reversal of 451013999 is 999310154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451013999 - 2²⁰ = 449965423 is a prime.

It is a Sophie Germain prime.

It is equal to p_23903888 and since 451013999 and 23903888 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451013993) 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 as a sum of consecutive naturals, namely, 225506999 + 225507000.

It is an arithmetic number, because the mean of its divisors is an integer number (225507000).

Almost surely, 2^451013999 is an apocalyptic number.

451013999 is a deficient number, since it is larger than the sum of its proper divisors (1).

451013999 is an equidigital number, since it uses as much as digits as its factorization.

451013999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 451013999 is about 21237.0901726202. The cubic root of 451013999 is about 766.8845835692.

The spelling of 451013999 in words is "four hundred fifty-one million, thirteen thousand, nine hundred ninety-nine".