64136550599999 has 8 divisors (see below), whose sum is σ = 65224272858000. Its totient is φ = 63048850411392.

The previous prime is 64136550599993. The next prime is 64136550600113. The reversal of 64136550599999 is 99999505563146.

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 64136550599999 - 2²⁴ = 64136533822783 is a prime.

It is a super-3 number, since 3×64136550599999³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64136550599993) 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, 397517 + ... + 11332745.

It is an arithmetic number, because the mean of its divisors is an integer number (8153034107250).

Almost surely, 2^{64136550599999} is an apocalyptic number.

64136550599999 is a deficient number, since it is larger than the sum of its proper divisors (1087722258001).

64136550599999 is a wasteful number, since it uses less digits than its factorization.

64136550599999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11034697.

The product of its (nonzero) digits is 3188646000, while the sum is 80.

The spelling of 64136550599999 in words is "sixty-four trillion, one hundred thirty-six billion, five hundred fifty million, five hundred ninety-nine thousand, nine hundred ninety-nine".