476017328621 has 2 divisors, whose sum is σ = 476017328622. Its totient is φ = 476017328620.

The previous prime is 476017328573. The next prime is 476017328641. The reversal of 476017328621 is 126823710674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345992180521 + 130025148100 = 588211^2 + 360590^2 .

It is a cyclic number.

It is not a de Polignac number, because 476017328621 - 2³⁸ = 201139421677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476017328641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238008664310 + 238008664311.

It is an arithmetic number, because the mean of its divisors is an integer number (238008664311).

Almost surely, 2^476017328621 is an apocalyptic number.

It is an amenable number.

476017328621 is a deficient number, since it is larger than the sum of its proper divisors (1).

476017328621 is an equidigital number, since it uses as much as digits as its factorization.

476017328621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 476017328621 in words is "four hundred seventy-six billion, seventeen million, three hundred twenty-eight thousand, six hundred twenty-one".