475393663 has 2 divisors, whose sum is σ = 475393664. Its totient is φ = 475393662.

The previous prime is 475393651. The next prime is 475393669. The reversal of 475393663 is 366393574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475393663 - 2⁵ = 475393631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475393669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237696831 + 237696832.

It is an arithmetic number, because the mean of its divisors is an integer number (237696832).

Almost surely, 2^475393663 is an apocalyptic number.

475393663 is a deficient number, since it is larger than the sum of its proper divisors (1).

475393663 is an equidigital number, since it uses as much as digits as its factorization.

475393663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 46.

The square root of 475393663 is about 21803.5240958887. The cubic root of 475393663 is about 780.4608623164.

The spelling of 475393663 in words is "four hundred seventy-five million, three hundred ninety-three thousand, six hundred sixty-three".