455555009617 has 2 divisors, whose sum is σ = 455555009618. Its totient is φ = 455555009616.

The previous prime is 455555009587. The next prime is 455555009633. The reversal of 455555009617 is 716900555554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425509640721 + 30045368896 = 652311^2 + 173336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455555009617 is a prime.

It is not a weakly prime, because it can be changed into another prime (455555009647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227777504808 + 227777504809.

It is an arithmetic number, because the mean of its divisors is an integer number (227777504809).

Almost surely, 2^455555009617 is an apocalyptic number.

It is an amenable number.

455555009617 is a deficient number, since it is larger than the sum of its proper divisors (1).

455555009617 is an equidigital number, since it uses as much as digits as its factorization.

455555009617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725000, while the sum is 52.

The spelling of 455555009617 in words is "four hundred fifty-five billion, five hundred fifty-five million, nine thousand, six hundred seventeen".