68274700097 has 2 divisors, whose sum is σ = 68274700098. Its totient is φ = 68274700096.

The previous prime is 68274700069. The next prime is 68274700141. The reversal of 68274700097 is 79000747286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67899851776 + 374848321 = 260576^2 + 19361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68274700097 is a prime.

It is a super-2 number, since 2×68274700097² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68274700027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34137350048 + 34137350049.

It is an arithmetic number, because the mean of its divisors is an integer number (34137350049).

Almost surely, 2^68274700097 is an apocalyptic number.

It is an amenable number.

68274700097 is a deficient number, since it is larger than the sum of its proper divisors (1).

68274700097 is an equidigital number, since it uses as much as digits as its factorization.

68274700097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 68274700097 in words is "sixty-eight billion, two hundred seventy-four million, seven hundred thousand, ninety-seven".