64269479579 has 4 divisors (see below), whose sum is σ = 66485668560. Its totient is φ = 62053290600.

The previous prime is 64269479563. The next prime is 64269479587. The reversal of 64269479579 is 97597496246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64269479579 - 2⁴ = 64269479563 is a prime.

It is a super-3 number, since 3×64269479579³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64269470579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108094447 + ... + 1108094504.

It is an arithmetic number, because the mean of its divisors is an integer number (16621417140).

Almost surely, 2^64269479579 is an apocalyptic number.

64269479579 is a deficient number, since it is larger than the sum of its proper divisors (2216188981).

64269479579 is a wasteful number, since it uses less digits than its factorization.

64269479579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216188980.

The product of its digits is 205752960, while the sum is 68.

The spelling of 64269479579 in words is "sixty-four billion, two hundred sixty-nine million, four hundred seventy-nine thousand, five hundred seventy-nine".