68337998741 has 2 divisors, whose sum is σ = 68337998742. Its totient is φ = 68337998740.

The previous prime is 68337998719. The next prime is 68337998779. The reversal of 68337998741 is 14789973386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37131363025 + 31206635716 = 192695^2 + 176654^2 .

It is a cyclic number.

It is not a de Polignac number, because 68337998741 - 2¹⁴ = 68337982357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68337998791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34168999370 + 34168999371.

It is an arithmetic number, because the mean of its divisors is an integer number (34168999371).

Almost surely, 2^68337998741 is an apocalyptic number.

It is an amenable number.

68337998741 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337998741 is an equidigital number, since it uses as much as digits as its factorization.

68337998741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 65.

The spelling of 68337998741 in words is "sixty-eight billion, three hundred thirty-seven million, nine hundred ninety-eight thousand, seven hundred forty-one".