64009459 has 2 divisors, whose sum is σ = 64009460. Its totient is φ = 64009458.

The previous prime is 64009417. The next prime is 64009469. The reversal of 64009459 is 95490046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64009459 - 2²¹ = 61912307 is a prime.

It is not a weakly prime, because it can be changed into another prime (64009469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32004729 + 32004730.

It is an arithmetic number, because the mean of its divisors is an integer number (32004730).

Almost surely, 2^64009459 is an apocalyptic number.

64009459 is a deficient number, since it is larger than the sum of its proper divisors (1).

64009459 is an equidigital number, since it uses as much as digits as its factorization.

64009459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 64009459 is about 8000.5911656577. The cubic root of 64009459 is about 400.0197052792.

The spelling of 64009459 in words is "sixty-four million, nine thousand, four hundred fifty-nine".