476664973 has 2 divisors, whose sum is σ = 476664974. Its totient is φ = 476664972.

The previous prime is 476664971. The next prime is 476665003. The reversal of 476664973 is 379466674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370100644 + 106564329 = 19238^2 + 10323^2 .

It is a cyclic number.

It is not a de Polignac number, because 476664973 - 2¹ = 476664971 is a prime.

Together with 476664971, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 476664973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476664971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238332486 + 238332487.

It is an arithmetic number, because the mean of its divisors is an integer number (238332487).

Almost surely, 2^476664973 is an apocalyptic number.

It is an amenable number.

476664973 is a deficient number, since it is larger than the sum of its proper divisors (1).

476664973 is an equidigital number, since it uses as much as digits as its factorization.

476664973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 52.

The square root of 476664973 is about 21832.6584043263. The cubic root of 476664973 is about 781.1559526000.

The spelling of 476664973 in words is "four hundred seventy-six million, six hundred sixty-four thousand, nine hundred seventy-three".