68901996041 has 2 divisors, whose sum is σ = 68901996042. Its totient is φ = 68901996040.

The previous prime is 68901995971. The next prime is 68901996113. The reversal of 68901996041 is 14069910986.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38196793600 + 30705202441 = 195440^2 + 175229^2 .

It is a cyclic number.

It is not a de Polignac number, because 68901996041 - 2¹⁰ = 68901995017 is a prime.

It is a super-3 number, since 3×68901996041³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (68901296041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34450998020 + 34450998021.

It is an arithmetic number, because the mean of its divisors is an integer number (34450998021).

Almost surely, 2^68901996041 is an apocalyptic number.

It is an amenable number.

68901996041 is a deficient number, since it is larger than the sum of its proper divisors (1).

68901996041 is an equidigital number, since it uses as much as digits as its factorization.

68901996041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 68901996041 in words is "sixty-eight billion, nine hundred one million, nine hundred ninety-six thousand, forty-one".