64064858759 has 4 divisors (see below), whose sum is σ = 69888936840. Its totient is φ = 58240780680.

The previous prime is 64064858719. The next prime is 64064858761. The reversal of 64064858759 is 95785846046.

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 64064858759 - 2²⁰ = 64063810183 is a prime.

It is a super-2 number, since 2×64064858759² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64064858719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912039024 + ... + 2912039045.

It is an arithmetic number, because the mean of its divisors is an integer number (17472234210).

Almost surely, 2^64064858759 is an apocalyptic number.

64064858759 is a deficient number, since it is larger than the sum of its proper divisors (5824078081).

64064858759 is a wasteful number, since it uses less digits than its factorization.

64064858759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824078080.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 64064858759 in words is "sixty-four billion, sixty-four million, eight hundred fifty-eight thousand, seven hundred fifty-nine".