68345411149 has 2 divisors, whose sum is σ = 68345411150. Its totient is φ = 68345411148.

The previous prime is 68345411089. The next prime is 68345411213. The reversal of 68345411149 is 94111454386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39107831049 + 29237580100 = 197757^2 + 170990^2 .

It is a cyclic number.

It is not a de Polignac number, because 68345411149 - 2¹⁷ = 68345280077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68345411099 and 68345411108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68345411549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34172705574 + 34172705575.

It is an arithmetic number, because the mean of its divisors is an integer number (34172705575).

Almost surely, 2^68345411149 is an apocalyptic number.

It is an amenable number.

68345411149 is a deficient number, since it is larger than the sum of its proper divisors (1).

68345411149 is an equidigital number, since it uses as much as digits as its factorization.

68345411149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The spelling of 68345411149 in words is "sixty-eight billion, three hundred forty-five million, four hundred eleven thousand, one hundred forty-nine".