68452841651 has 2 divisors, whose sum is σ = 68452841652. Its totient is φ = 68452841650.

The previous prime is 68452841629. The next prime is 68452841663. The reversal of 68452841651 is 15614825486.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68452841651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68452841651.

It is not a weakly prime, because it can be changed into another prime (68452847651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34226420825 + 34226420826.

It is an arithmetic number, because the mean of its divisors is an integer number (34226420826).

Almost surely, 2^68452841651 is an apocalyptic number.

68452841651 is a deficient number, since it is larger than the sum of its proper divisors (1).

68452841651 is an equidigital number, since it uses as much as digits as its factorization.

68452841651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1843200, while the sum is 50.

The spelling of 68452841651 in words is "sixty-eight billion, four hundred fifty-two million, eight hundred forty-one thousand, six hundred fifty-one".