451641479 has 2 divisors, whose sum is σ = 451641480. Its totient is φ = 451641478.

The previous prime is 451641469. The next prime is 451641521. The reversal of 451641479 is 974146154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451641479 - 2²⁴ = 434864263 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451641469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225820739 + 225820740.

It is an arithmetic number, because the mean of its divisors is an integer number (225820740).

Almost surely, 2^451641479 is an apocalyptic number.

451641479 is a deficient number, since it is larger than the sum of its proper divisors (1).

451641479 is an equidigital number, since it uses as much as digits as its factorization.

451641479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 451641479 is about 21251.8582481627. The cubic root of 451641479 is about 767.2400653287.

The spelling of 451641479 in words is "four hundred fifty-one million, six hundred forty-one thousand, four hundred seventy-nine".