64465339 has 2 divisors, whose sum is σ = 64465340. Its totient is φ = 64465338.

The previous prime is 64465333. The next prime is 64465361. The reversal of 64465339 is 93356446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64465339 - 2⁵ = 64465307 is a prime.

It is not a weakly prime, because it can be changed into another prime (64465333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32232669 + 32232670.

It is an arithmetic number, because the mean of its divisors is an integer number (32232670).

Almost surely, 2^64465339 is an apocalyptic number.

64465339 is a deficient number, since it is larger than the sum of its proper divisors (1).

64465339 is an equidigital number, since it uses as much as digits as its factorization.

64465339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 40.

The square root of 64465339 is about 8029.0310125195. The cubic root of 64465339 is about 400.9671160817.

The spelling of 64465339 in words is "sixty-four million, four hundred sixty-five thousand, three hundred thirty-nine".