68892098121569 has 2 divisors, whose sum is σ = 68892098121570. Its totient is φ = 68892098121568.

The previous prime is 68892098121551. The next prime is 68892098121619. The reversal of 68892098121569 is 96512189029886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67277643267025 + 1614454854544 = 8202295^2 + 1270612^2 .

It is a cyclic number.

It is not a de Polignac number, because 68892098121569 - 2⁴⁴ = 51299912077153 is a prime.

It is a super-2 number, since 2×68892098121569² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68892098121496 and 68892098121505.

It is not a weakly prime, because it can be changed into another prime (68892098111569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34446049060784 + 34446049060785.

It is an arithmetic number, because the mean of its divisors is an integer number (34446049060785).

Almost surely, 2^{68892098121569} is an apocalyptic number.

It is an amenable number.

68892098121569 is a deficient number, since it is larger than the sum of its proper divisors (1).

68892098121569 is an equidigital number, since it uses as much as digits as its factorization.

68892098121569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268738560, while the sum is 74.

The spelling of 68892098121569 in words is "sixty-eight trillion, eight hundred ninety-two billion, ninety-eight million, one hundred twenty-one thousand, five hundred sixty-nine".