455718811 has 2 divisors, whose sum is σ = 455718812. Its totient is φ = 455718810.

The previous prime is 455718797. The next prime is 455718821. The reversal of 455718811 is 118817554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455718811 is a prime.

It is not a weakly prime, because it can be changed into another prime (455718821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227859405 + 227859406.

It is an arithmetic number, because the mean of its divisors is an integer number (227859406).

Almost surely, 2^455718811 is an apocalyptic number.

455718811 is a deficient number, since it is larger than the sum of its proper divisors (1).

455718811 is an equidigital number, since it uses as much as digits as its factorization.

455718811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 40.

The square root of 455718811 is about 21347.5715480708. The cubic root of 455718811 is about 769.5419837560.

The spelling of 455718811 in words is "four hundred fifty-five million, seven hundred eighteen thousand, eight hundred eleven".