909421318063 has 2 divisors, whose sum is σ = 909421318064. Its totient is φ = 909421318062.

The previous prime is 909421317989. The next prime is 909421318087. The reversal of 909421318063 is 360813124909.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 909421318063 - 2³³ = 900831383471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (909421318093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454710659031 + 454710659032.

It is an arithmetic number, because the mean of its divisors is an integer number (454710659032).

Almost surely, 2^909421318063 is an apocalyptic number.

909421318063 is a deficient number, since it is larger than the sum of its proper divisors (1).

909421318063 is an equidigital number, since it uses as much as digits as its factorization.

909421318063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 909421318063 in words is "nine hundred nine billion, four hundred twenty-one million, three hundred eighteen thousand, sixty-three".