68299744425291 has 24 divisors (see below), whose sum is σ = 98682713600016. Its totient is φ = 45520459729920.

The previous prime is 68299744425137. The next prime is 68299744425299. The reversal of 68299744425291 is 19252444799286.

It is a happy number.

68299744425291 is a `hidden beast` number, since 6 + 8 + 2 + 9 + 97 + 4 + 4 + 4 + 2 + 529 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-68299744425291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68299744425299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569327571 + ... + 569447523.

It is an arithmetic number, because the mean of its divisors is an integer number (4111779733334).

Almost surely, 2^{68299744425291} is an apocalyptic number.

68299744425291 is a deficient number, since it is larger than the sum of its proper divisors (30382969174725).

68299744425291 is a wasteful number, since it uses less digits than its factorization.

68299744425291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137083 (or 137080 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 72.

The spelling of 68299744425291 in words is "sixty-eight trillion, two hundred ninety-nine billion, seven hundred forty-four million, four hundred twenty-five thousand, two hundred ninety-one".