476621609 has 8 divisors (see below), whose sum is σ = 484817928. Its totient is φ = 468437760.

The previous prime is 476621581. The next prime is 476621653. The reversal of 476621609 is 906126674.

It can be written as a sum of positive squares in 4 ways, for example, as 3341584 + 473280025 = 1828^2 + 21755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476621609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476624609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106199 + ... + 110595.

It is an arithmetic number, because the mean of its divisors is an integer number (60602241).

Almost surely, 2^476621609 is an apocalyptic number.

It is an amenable number.

476621609 is a deficient number, since it is larger than the sum of its proper divisors (8196319).

476621609 is a wasteful number, since it uses less digits than its factorization.

476621609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 476621609 is about 21831.6652823370. The cubic root of 476621609 is about 781.1322636529.

The spelling of 476621609 in words is "four hundred seventy-six million, six hundred twenty-one thousand, six hundred nine".