476407009 has 4 divisors (see below), whose sum is σ = 513053716. Its totient is φ = 439760304.

The previous prime is 476406991. The next prime is 476407013. The reversal of 476407009 is 900704674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96040000 + 380367009 = 9800^2 + 19503^2 .

It is a cyclic number.

It is not a de Polignac number, because 476407009 - 2¹⁷ = 476275937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476407069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18323334 + ... + 18323359.

It is an arithmetic number, because the mean of its divisors is an integer number (128263429).

Almost surely, 2^476407009 is an apocalyptic number.

It is an amenable number.

476407009 is a deficient number, since it is larger than the sum of its proper divisors (36646707).

476407009 is a wasteful number, since it uses less digits than its factorization.

476407009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36646706.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 476407009 is about 21826.7498496684. The cubic root of 476407009 is about 781.0150105073.

The spelling of 476407009 in words is "four hundred seventy-six million, four hundred seven thousand, nine".