68893182643 has 2 divisors, whose sum is σ = 68893182644. Its totient is φ = 68893182642.

The previous prime is 68893182593. The next prime is 68893182749. The reversal of 68893182643 is 34628139886.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68893182643 is a prime.

It is a super-2 number, since 2×68893182643² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68893102643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34446591321 + 34446591322.

It is an arithmetic number, because the mean of its divisors is an integer number (34446591322).

Almost surely, 2^68893182643 is an apocalyptic number.

68893182643 is a deficient number, since it is larger than the sum of its proper divisors (1).

68893182643 is an equidigital number, since it uses as much as digits as its factorization.

68893182643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11943936, while the sum is 58.

The spelling of 68893182643 in words is "sixty-eight billion, eight hundred ninety-three million, one hundred eighty-two thousand, six hundred forty-three".