68274801589 has 2 divisors, whose sum is σ = 68274801590. Its totient is φ = 68274801588.

The previous prime is 68274801523. The next prime is 68274801599. The reversal of 68274801589 is 98510847286.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42697196689 + 25577604900 = 206633^2 + 159930^2 .

It is a cyclic number.

It is not a de Polignac number, because 68274801589 - 2⁷ = 68274801461 is a prime.

It is a super-3 number, since 3×68274801589³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68274801599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34137400794 + 34137400795.

It is an arithmetic number, because the mean of its divisors is an integer number (34137400795).

Almost surely, 2^68274801589 is an apocalyptic number.

It is an amenable number.

68274801589 is a deficient number, since it is larger than the sum of its proper divisors (1).

68274801589 is an equidigital number, since it uses as much as digits as its factorization.

68274801589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 68274801589 in words is "sixty-eight billion, two hundred seventy-four million, eight hundred one thousand, five hundred eighty-nine".