476066993 has 4 divisors (see below), whose sum is σ = 479815680. Its totient is φ = 472318308.

The previous prime is 476066989. The next prime is 476067017. The reversal of 476066993 is 399660674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 476066993 - 2² = 476066989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476066953) 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, 1874153 + ... + 1874406.

It is an arithmetic number, because the mean of its divisors is an integer number (119953920).

Almost surely, 2^476066993 is an apocalyptic number.

It is an amenable number.

476066993 is a deficient number, since it is larger than the sum of its proper divisors (3748687).

476066993 is a wasteful number, since it uses less digits than its factorization.

476066993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748686.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 476066993 is about 21818.9594848150. The cubic root of 476066993 is about 780.8291604555.

The spelling of 476066993 in words is "four hundred seventy-six million, sixty-six thousand, nine hundred ninety-three".