456744877451 has 2 divisors, whose sum is σ = 456744877452. Its totient is φ = 456744877450.

The previous prime is 456744877423. The next prime is 456744877489. The reversal of 456744877451 is 154778447654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 456744877451 - 2³⁸ = 181866970507 is a prime.

It is not a weakly prime, because it can be changed into another prime (456744876451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228372438725 + 228372438726.

It is an arithmetic number, because the mean of its divisors is an integer number (228372438726).

Almost surely, 2^456744877451 is an apocalyptic number.

456744877451 is a deficient number, since it is larger than the sum of its proper divisors (1).

456744877451 is an equidigital number, since it uses as much as digits as its factorization.

456744877451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105369600, while the sum is 62.

The spelling of 456744877451 in words is "four hundred fifty-six billion, seven hundred forty-four million, eight hundred seventy-seven thousand, four hundred fifty-one".