664113319 has 2 divisors, whose sum is σ = 664113320. Its totient is φ = 664113318.

The previous prime is 664113299. The next prime is 664113323. The reversal of 664113319 is 913311466.

It is a happy number.

664113319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 664113319 - 2¹¹ = 664111271 is a prime.

It is a super-2 number, since 2×664113319² = 882093000946391522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (664113349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332056659 + 332056660.

It is an arithmetic number, because the mean of its divisors is an integer number (332056660).

Almost surely, 2^664113319 is an apocalyptic number.

664113319 is a deficient number, since it is larger than the sum of its proper divisors (1).

664113319 is an equidigital number, since it uses as much as digits as its factorization.

664113319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 664113319 is about 25770.3961746807. The cubic root of 664113319 is about 872.4637605329.

The spelling of 664113319 in words is "six hundred sixty-four million, one hundred thirteen thousand, three hundred nineteen".