664013099 has 2 divisors, whose sum is σ = 664013100. Its totient is φ = 664013098.

The previous prime is 664013041. The next prime is 664013153. The reversal of 664013099 is 990310466.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-664013099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (664013699) 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, 332006549 + 332006550.

It is an arithmetic number, because the mean of its divisors is an integer number (332006550).

Almost surely, 2^664013099 is an apocalyptic number.

664013099 is a deficient number, since it is larger than the sum of its proper divisors (1).

664013099 is an equidigital number, since it uses as much as digits as its factorization.

664013099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 664013099 is about 25768.4516220901. The cubic root of 664013099 is about 872.4198710769.

The spelling of 664013099 in words is "six hundred sixty-four million, thirteen thousand, ninety-nine".