455027772971 has 2 divisors, whose sum is σ = 455027772972. Its totient is φ = 455027772970.

The previous prime is 455027772961. The next prime is 455027773049. The reversal of 455027772971 is 179277720554.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455027772971 is a prime.

It is not a weakly prime, because it can be changed into another prime (455027772931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227513886485 + 227513886486.

It is an arithmetic number, because the mean of its divisors is an integer number (227513886486).

Almost surely, 2^455027772971 is an apocalyptic number.

455027772971 is a deficient number, since it is larger than the sum of its proper divisors (1).

455027772971 is an equidigital number, since it uses as much as digits as its factorization.

455027772971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8643600, while the sum is 56.

The spelling of 455027772971 in words is "four hundred fifty-five billion, twenty-seven million, seven hundred seventy-two thousand, nine hundred seventy-one".