476606609 has 2 divisors, whose sum is σ = 476606610. Its totient is φ = 476606608.

The previous prime is 476606597. The next prime is 476606651. The reversal of 476606609 is 906606674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476112400 + 494209 = 21820^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 476606609 - 2²⁸ = 208171153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 476606609.

It is not a weakly prime, because it can be changed into another prime (476606209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238303304 + 238303305.

It is an arithmetic number, because the mean of its divisors is an integer number (238303305).

Almost surely, 2^476606609 is an apocalyptic number.

It is an amenable number.

476606609 is a deficient number, since it is larger than the sum of its proper divisors (1).

476606609 is an equidigital number, since it uses as much as digits as its factorization.

476606609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 476606609 is about 21831.3217419377. The cubic root of 476606609 is about 781.1240690973.

The spelling of 476606609 in words is "four hundred seventy-six million, six hundred six thousand, six hundred nine".