476643659 has 2 divisors, whose sum is σ = 476643660. Its totient is φ = 476643658.

The previous prime is 476643619. The next prime is 476643677. The reversal of 476643659 is 956346674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 476643659 - 2²⁰ = 475595083 is a prime.

It is not a weakly prime, because it can be changed into another prime (476643619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238321829 + 238321830.

It is an arithmetic number, because the mean of its divisors is an integer number (238321830).

Almost surely, 2^476643659 is an apocalyptic number.

476643659 is a deficient number, since it is larger than the sum of its proper divisors (1).

476643659 is an equidigital number, since it uses as much as digits as its factorization.

476643659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 50.

The square root of 476643659 is about 21832.1702769102. The cubic root of 476643659 is about 781.1443093376.

The spelling of 476643659 in words is "four hundred seventy-six million, six hundred forty-three thousand, six hundred fifty-nine".