455409943 has 2 divisors, whose sum is σ = 455409944. Its totient is φ = 455409942.

The previous prime is 455409907. The next prime is 455409953. The reversal of 455409943 is 349904554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455409943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455409943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455409953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227704971 + 227704972.

It is an arithmetic number, because the mean of its divisors is an integer number (227704972).

Almost surely, 2^455409943 is an apocalyptic number.

455409943 is a deficient number, since it is larger than the sum of its proper divisors (1).

455409943 is an equidigital number, since it uses as much as digits as its factorization.

455409943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 455409943 is about 21340.3360563980. The cubic root of 455409943 is about 769.3680895285.

The spelling of 455409943 in words is "four hundred fifty-five million, four hundred nine thousand, nine hundred forty-three".