94390013 has 2 divisors, whose sum is σ = 94390014. Its totient is φ = 94390012.

The previous prime is 94390003. The next prime is 94390039. The reversal of 94390013 is 31009349.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89908324 + 4481689 = 9482^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 94390013 - 2¹⁰ = 94388989 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94390003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47195006 + 47195007.

It is an arithmetic number, because the mean of its divisors is an integer number (47195007).

Almost surely, 2^94390013 is an apocalyptic number.

It is an amenable number.

94390013 is a deficient number, since it is larger than the sum of its proper divisors (1).

94390013 is an equidigital number, since it uses as much as digits as its factorization.

94390013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 94390013 is about 9715.4522797449. The cubic root of 94390013 is about 455.3115653748.

The spelling of 94390013 in words is "ninety-four million, three hundred ninety thousand, thirteen".