64117344199 has 8 divisors (see below), whose sum is σ = 64236792960. Its totient is φ = 63997971576.

The previous prime is 64117344169. The next prime is 64117344223. The reversal of 64117344199 is 99144371146.

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 64117344199 - 2⁵ = 64117344167 is a prime.

It is a super-2 number, since 2×64117344199² (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 (64117344169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1831542 + ... + 1866220.

It is an arithmetic number, because the mean of its divisors is an integer number (8029599120).

Almost surely, 2^64117344199 is an apocalyptic number.

64117344199 is a deficient number, since it is larger than the sum of its proper divisors (119448761).

64117344199 is a wasteful number, since it uses less digits than its factorization.

64117344199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38069.

The product of its digits is 653184, while the sum is 49.

The spelling of 64117344199 in words is "sixty-four billion, one hundred seventeen million, three hundred forty-four thousand, one hundred ninety-nine".