479841139 has 2 divisors, whose sum is σ = 479841140. Its totient is φ = 479841138.

The previous prime is 479841137. The next prime is 479841149. The reversal of 479841139 is 931148974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479841139 - 2¹ = 479841137 is a prime.

Together with 479841137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (479841137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239920569 + 239920570.

It is an arithmetic number, because the mean of its divisors is an integer number (239920570).

Almost surely, 2^479841139 is an apocalyptic number.

479841139 is a deficient number, since it is larger than the sum of its proper divisors (1).

479841139 is an equidigital number, since it uses as much as digits as its factorization.

479841139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 479841139 is about 21905.2765104666. The cubic root of 479841139 is about 782.8871409544.

The spelling of 479841139 in words is "four hundred seventy-nine million, eight hundred forty-one thousand, one hundred thirty-nine".