64389359 has 2 divisors, whose sum is σ = 64389360. Its totient is φ = 64389358.

The previous prime is 64389341. The next prime is 64389407. The reversal of 64389359 is 95398346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64389359 - 2¹⁶ = 64323823 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 (64389959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32194679 + 32194680.

It is an arithmetic number, because the mean of its divisors is an integer number (32194680).

Almost surely, 2^64389359 is an apocalyptic number.

64389359 is a deficient number, since it is larger than the sum of its proper divisors (1).

64389359 is an equidigital number, since it uses as much as digits as its factorization.

64389359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 64389359 is about 8024.2980378348. The cubic root of 64389359 is about 400.8095251507.

The spelling of 64389359 in words is "sixty-four million, three hundred eighty-nine thousand, three hundred fifty-nine".