68452841629 has 2 divisors, whose sum is σ = 68452841630. Its totient is φ = 68452841628.

The previous prime is 68452841599. The next prime is 68452841651. The reversal of 68452841629 is 92614825486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63340305625 + 5112536004 = 251675^2 + 71502^2 .

It is a cyclic number.

It is not a de Polignac number, because 68452841629 - 2¹⁵ = 68452808861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68452841629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68452841129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34226420814 + 34226420815.

It is an arithmetic number, because the mean of its divisors is an integer number (34226420815).

Almost surely, 2^68452841629 is an apocalyptic number.

It is an amenable number.

68452841629 is a deficient number, since it is larger than the sum of its proper divisors (1).

68452841629 is an equidigital number, since it uses as much as digits as its factorization.

68452841629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 55.

The spelling of 68452841629 in words is "sixty-eight billion, four hundred fifty-two million, eight hundred forty-one thousand, six hundred twenty-nine".