494059913 has 2 divisors, whose sum is σ = 494059914. Its totient is φ = 494059912.

The previous prime is 494059901. The next prime is 494059939. The reversal of 494059913 is 319950494.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291623929 + 202435984 = 17077^2 + 14228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494059913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (494059513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247029956 + 247029957.

It is an arithmetic number, because the mean of its divisors is an integer number (247029957).

Almost surely, 2^494059913 is an apocalyptic number.

It is an amenable number.

494059913 is a deficient number, since it is larger than the sum of its proper divisors (1).

494059913 is an equidigital number, since it uses as much as digits as its factorization.

494059913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 494059913 is about 22227.4585366839. The cubic root of 494059913 is about 790.5448962010.

The spelling of 494059913 in words is "four hundred ninety-four million, fifty-nine thousand, nine hundred thirteen".