664470311 has 2 divisors, whose sum is σ = 664470312. Its totient is φ = 664470310.

The previous prime is 664470307. The next prime is 664470419. The reversal of 664470311 is 113074466.

664470311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 664470311 - 2² = 664470307 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (664470811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332235155 + 332235156.

It is an arithmetic number, because the mean of its divisors is an integer number (332235156).

Almost surely, 2^664470311 is an apocalyptic number.

664470311 is a deficient number, since it is larger than the sum of its proper divisors (1).

664470311 is an equidigital number, since it uses as much as digits as its factorization.

664470311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 664470311 is about 25777.3216413188. The cubic root of 664470311 is about 872.6200625685.

The spelling of 664470311 in words is "six hundred sixty-four million, four hundred seventy thousand, three hundred eleven".