479444491 has 2 divisors, whose sum is σ = 479444492. Its totient is φ = 479444490.

The previous prime is 479444389. The next prime is 479444507. The reversal of 479444491 is 194444974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479444491 - 2¹⁹ = 478920203 is a prime.

It is not a weakly prime, because it can be changed into another prime (479444191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239722245 + 239722246.

It is an arithmetic number, because the mean of its divisors is an integer number (239722246).

Almost surely, 2^479444491 is an apocalyptic number.

479444491 is a deficient number, since it is larger than the sum of its proper divisors (1).

479444491 is an equidigital number, since it uses as much as digits as its factorization.

479444491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 479444491 is about 21896.2209296490. The cubic root of 479444491 is about 782.6713638310.

The spelling of 479444491 in words is "four hundred seventy-nine million, four hundred forty-four thousand, four hundred ninety-one".