664113299 has 2 divisors, whose sum is σ = 664113300. Its totient is φ = 664113298.

The previous prime is 664113271. The next prime is 664113319. The reversal of 664113299 is 992311466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 664113299 - 2¹² = 664109203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (664113269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332056649 + 332056650.

It is an arithmetic number, because the mean of its divisors is an integer number (332056650).

Almost surely, 2^664113299 is an apocalyptic number.

664113299 is a deficient number, since it is larger than the sum of its proper divisors (1).

664113299 is an equidigital number, since it uses as much as digits as its factorization.

664113299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 664113299 is about 25770.3957866386. The cubic root of 664113299 is about 872.4637517747.

The spelling of 664113299 in words is "six hundred sixty-four million, one hundred thirteen thousand, two hundred ninety-nine".