68659702128099 has 48 divisors (see below), whose sum is σ = 102555029491200. Its totient is φ = 44236841439168.

The previous prime is 68659702128089. The next prime is 68659702128109. The reversal of 68659702128099 is 99082120795686.

68659702128099 is a `hidden beast` number, since 6 + 8 + 6 + 597 + 0 + 2 + 1 + 28 + 0 + 9 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (68659702128089) and next prime (68659702128109).

It is not a de Polignac number, because 68659702128099 - 2⁷ = 68659702127971 is a prime.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68659702128029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29197684 + ... + 31461470.

It is an arithmetic number, because the mean of its divisors is an integer number (2136563114400).

Almost surely, 2^{68659702128099} is an apocalyptic number.

68659702128099 is a deficient number, since it is larger than the sum of its proper divisors (33895327363101).

68659702128099 is a wasteful number, since it uses less digits than its factorization.

68659702128099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264664 (or 2264661 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 72.

The spelling of 68659702128099 in words is "sixty-eight trillion, six hundred fifty-nine billion, seven hundred two million, one hundred twenty-eight thousand, ninety-nine".