68799413 has 2 divisors, whose sum is σ = 68799414. Its totient is φ = 68799412.

The previous prime is 68799377. The next prime is 68799433. The reversal of 68799413 is 31499786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 32341969 = 6038^2 + 5687^2 .

It is a cyclic number.

It is not a de Polignac number, because 68799413 - 2⁶ = 68799349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68799433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34399706 + 34399707.

It is an arithmetic number, because the mean of its divisors is an integer number (34399707).

Almost surely, 2^68799413 is an apocalyptic number.

It is an amenable number.

68799413 is a deficient number, since it is larger than the sum of its proper divisors (1).

68799413 is an equidigital number, since it uses as much as digits as its factorization.

68799413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 68799413 is about 8294.5411566885. The cubic root of 68799413 is about 409.7587575463.

The spelling of 68799413 in words is "sixty-eight million, seven hundred ninety-nine thousand, four hundred thirteen".