476679491 has 2 divisors, whose sum is σ = 476679492. Its totient is φ = 476679490.

The previous prime is 476679487. The next prime is 476679493. The reversal of 476679491 is 194976674.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 476679491 - 2² = 476679487 is a prime.

Together with 476679493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (476679493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238339745 + 238339746.

It is an arithmetic number, because the mean of its divisors is an integer number (238339746).

Almost surely, 2^476679491 is an apocalyptic number.

476679491 is a deficient number, since it is larger than the sum of its proper divisors (1).

476679491 is an equidigital number, since it uses as much as digits as its factorization.

476679491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 476679491 is about 21832.9908853551. The cubic root of 476679491 is about 781.1638831925.

The spelling of 476679491 in words is "four hundred seventy-six million, six hundred seventy-nine thousand, four hundred ninety-one".