274109961889 has 2 divisors, whose sum is σ = 274109961890. Its totient is φ = 274109961888.

The previous prime is 274109961847. The next prime is 274109961949. The reversal of 274109961889 is 988169901472.

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., 232415589025 + 41694372864 = 482095^2 + 204192^2 .

It is a cyclic number.

It is not a de Polignac number, because 274109961889 - 2¹⁹ = 274109437601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 274109961889.

It is not a weakly prime, because it can be changed into another prime (274109161889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137054980944 + 137054980945.

It is an arithmetic number, because the mean of its divisors is an integer number (137054980945).

Almost surely, 2^274109961889 is an apocalyptic number.

It is an amenable number.

274109961889 is a deficient number, since it is larger than the sum of its proper divisors (1).

274109961889 is an equidigital number, since it uses as much as digits as its factorization.

274109961889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 274109961889 in words is "two hundred seventy-four billion, one hundred nine million, nine hundred sixty-one thousand, eight hundred eighty-nine".