64004502239 has 4 divisors (see below), whose sum is σ = 64006807200. Its totient is φ = 64002197280.

The previous prime is 64004502197. The next prime is 64004502241. The reversal of 64004502239 is 93220540046.

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 64004502239 - 2³² = 59709534943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64004502199 and 64004502208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64004502299) 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, 1110314 + ... + 1166535.

It is an arithmetic number, because the mean of its divisors is an integer number (16001701800).

Almost surely, 2^64004502239 is an apocalyptic number.

64004502239 is a deficient number, since it is larger than the sum of its proper divisors (2304961).

64004502239 is a wasteful number, since it uses less digits than its factorization.

64004502239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304960.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 64004502239 in words is "sixty-four billion, four million, five hundred two thousand, two hundred thirty-nine".