479838913 has 2 divisors, whose sum is σ = 479838914. Its totient is φ = 479838912.

The previous prime is 479838907. The next prime is 479838941. The reversal of 479838913 is 319838974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426505104 + 53333809 = 20652^2 + 7303^2 .

It is a cyclic number.

It is not a de Polignac number, because 479838913 - 2¹³ = 479830721 is a prime.

It is not a weakly prime, because it can be changed into another prime (479838713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239919456 + 239919457.

It is an arithmetic number, because the mean of its divisors is an integer number (239919457).

Almost surely, 2^479838913 is an apocalyptic number.

It is an amenable number.

479838913 is a deficient number, since it is larger than the sum of its proper divisors (1).

479838913 is an equidigital number, since it uses as much as digits as its factorization.

479838913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 479838913 is about 21905.2257007318. The cubic root of 479838913 is about 782.8859303389.

The spelling of 479838913 in words is "four hundred seventy-nine million, eight hundred thirty-eight thousand, nine hundred thirteen".