451402966897 has 4 divisors (see below), whose sum is σ = 452766722416. Its totient is φ = 450039211380.

The previous prime is 451402966867. The next prime is 451402966909. The reversal of 451402966897 is 798669204154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 451402966897 - 2³⁵ = 417043228529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451402966867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681877263 + ... + 681877924.

It is an arithmetic number, because the mean of its divisors is an integer number (113191680604).

Almost surely, 2^451402966897 is an apocalyptic number.

It is an amenable number.

451402966897 is a deficient number, since it is larger than the sum of its proper divisors (1363755519).

451402966897 is a wasteful number, since it uses less digits than its factorization.

451402966897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363755518.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 451402966897 in words is "four hundred fifty-one billion, four hundred two million, nine hundred sixty-six thousand, eight hundred ninety-seven".