68895889826369 has 2 divisors, whose sum is σ = 68895889826370. Its totient is φ = 68895889826368.

The previous prime is 68895889826339. The next prime is 68895889826471. The reversal of 68895889826369 is 96362898859886.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52863369318400 + 16032520507969 = 7270720^2 + 4004063^2 .

It is a cyclic number.

It is not a de Polignac number, because 68895889826369 - 2¹⁶ = 68895889760833 is a prime.

It is a super-2 number, since 2×68895889826369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68895889826339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34447944913184 + 34447944913185.

It is an arithmetic number, because the mean of its divisors is an integer number (34447944913185).

Almost surely, 2^{68895889826369} is an apocalyptic number.

It is an amenable number.

68895889826369 is a deficient number, since it is larger than the sum of its proper divisors (1).

68895889826369 is an equidigital number, since it uses as much as digits as its factorization.

68895889826369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154793410560, while the sum is 95.

The spelling of 68895889826369 in words is "sixty-eight trillion, eight hundred ninety-five billion, eight hundred eighty-nine million, eight hundred twenty-six thousand, three hundred sixty-nine".