68331459810049 has 2 divisors, whose sum is σ = 68331459810050. Its totient is φ = 68331459810048.

The previous prime is 68331459810007. The next prime is 68331459810091. The reversal of 68331459810049 is 94001895413386.

It is a balanced prime because it is at equal distance from previous prime (68331459810007) and next prime (68331459810091).

It can be written as a sum of positive squares in only one way, i.e., 67782815913024 + 548643897025 = 8233032^2 + 740705^2 .

It is a cyclic number.

It is not a de Polignac number, because 68331459810049 - 2²⁹ = 68330922939137 is a prime.

It is a super-2 number, since 2×68331459810049² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68331459810149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34165729905024 + 34165729905025.

It is an arithmetic number, because the mean of its divisors is an integer number (34165729905025).

Almost surely, 2^{68331459810049} is an apocalyptic number.

It is an amenable number.

68331459810049 is a deficient number, since it is larger than the sum of its proper divisors (1).

68331459810049 is an equidigital number, since it uses as much as digits as its factorization.

68331459810049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 68331459810049 in words is "sixty-eight trillion, three hundred thirty-one billion, four hundred fifty-nine million, eight hundred ten thousand, forty-nine".