472118635663 has 2 divisors, whose sum is σ = 472118635664. Its totient is φ = 472118635662.

The previous prime is 472118635559. The next prime is 472118635673. The reversal of 472118635663 is 366536811274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472118635663 - 2³³ = 463528701071 is a prime.

It is a super-2 number, since 2×472118635663² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 472118635663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472118635673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236059317831 + 236059317832.

It is an arithmetic number, because the mean of its divisors is an integer number (236059317832).

Almost surely, 2^472118635663 is an apocalyptic number.

472118635663 is a deficient number, since it is larger than the sum of its proper divisors (1).

472118635663 is an equidigital number, since it uses as much as digits as its factorization.

472118635663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 472118635663 in words is "four hundred seventy-two billion, one hundred eighteen million, six hundred thirty-five thousand, six hundred sixty-three".