68902210992067 has 2 divisors, whose sum is σ = 68902210992068. Its totient is φ = 68902210992066.

The previous prime is 68902210992061. The next prime is 68902210992107. The reversal of 68902210992067 is 76029901220986.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68902210992067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68902210991996 and 68902210992014.

It is not a weakly prime, because it can be changed into another prime (68902210992061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34451105496033 + 34451105496034.

It is an arithmetic number, because the mean of its divisors is an integer number (34451105496034).

Almost surely, 2^{68902210992067} is an apocalyptic number.

68902210992067 is a deficient number, since it is larger than the sum of its proper divisors (1).

68902210992067 is an equidigital number, since it uses as much as digits as its factorization.

68902210992067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 68902210992067 in words is "sixty-eight trillion, nine hundred two billion, two hundred ten million, nine hundred ninety-two thousand, sixty-seven".