274966889 has 2 divisors, whose sum is σ = 274966890. Its totient is φ = 274966888.

The previous prime is 274966877. The next prime is 274966933. The reversal of 274966889 is 988669472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159769600 + 115197289 = 12640^2 + 10733^2 .

It is a cyclic number.

It is not a de Polignac number, because 274966889 - 2²⁰ = 273918313 is a prime.

It is a super-4 number, since 4×274966889⁴ (a number of 35 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274966829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137483444 + 137483445.

It is an arithmetic number, because the mean of its divisors is an integer number (137483445).

Almost surely, 2^274966889 is an apocalyptic number.

It is an amenable number.

274966889 is a deficient number, since it is larger than the sum of its proper divisors (1).

274966889 is an equidigital number, since it uses as much as digits as its factorization.

274966889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 59.

The square root of 274966889 is about 16582.1255875114. The cubic root of 274966889 is about 650.2696230549.

The spelling of 274966889 in words is "two hundred seventy-four million, nine hundred sixty-six thousand, eight hundred eighty-nine".