64380751579 has 8 divisors (see below), whose sum is σ = 65528455680. Its totient is φ = 63239740200.

The previous prime is 64380751451. The next prime is 64380751597. The reversal of 64380751579 is 97515708346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64380751579 - 2⁷ = 64380751451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64380701579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653769 + ... + 1692250.

It is an arithmetic number, because the mean of its divisors is an integer number (8191056960).

Almost surely, 2^64380751579 is an apocalyptic number.

64380751579 is a deficient number, since it is larger than the sum of its proper divisors (1147704101).

64380751579 is a wasteful number, since it uses less digits than its factorization.

64380751579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346361.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 64380751579 in words is "sixty-four billion, three hundred eighty million, seven hundred fifty-one thousand, five hundred seventy-nine".