8274061889 has 2 divisors, whose sum is σ = 8274061890. Its totient is φ = 8274061888.

The previous prime is 8274061877. The next prime is 8274061897. The reversal of 8274061889 is 9881604728.

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., 7027971889 + 1246090000 = 83833^2 + 35300^2 .

It is a cyclic number.

It is not a de Polignac number, because 8274061889 - 2⁸ = 8274061633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8274061889.

It is not a weakly prime, because it can be changed into another prime (8274061819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137030944 + 4137030945.

It is an arithmetic number, because the mean of its divisors is an integer number (4137030945).

Almost surely, 2^8274061889 is an apocalyptic number.

It is an amenable number.

8274061889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8274061889 is an equidigital number, since it uses as much as digits as its factorization.

8274061889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The square root of 8274061889 is about 90961.8705227635. The cubic root of 8274061889 is about 2022.5825453681.

The spelling of 8274061889 in words is "eight billion, two hundred seventy-four million, sixty-one thousand, eight hundred eighty-nine".