455720911 has 2 divisors, whose sum is σ = 455720912. Its totient is φ = 455720910.

The previous prime is 455720893. The next prime is 455720939. The reversal of 455720911 is 119027554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455720911 - 2²⁷ = 321503183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455720011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227860455 + 227860456.

It is an arithmetic number, because the mean of its divisors is an integer number (227860456).

Almost surely, 2^455720911 is an apocalyptic number.

455720911 is a deficient number, since it is larger than the sum of its proper divisors (1).

455720911 is an equidigital number, since it uses as much as digits as its factorization.

455720911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 455720911 is about 21347.6207339366. The cubic root of 455720911 is about 769.5431657976.

The spelling of 455720911 in words is "four hundred fifty-five million, seven hundred twenty thousand, nine hundred eleven".