274628089 has 2 divisors, whose sum is σ = 274628090. Its totient is φ = 274628088.

The previous prime is 274628087. The next prime is 274628111. The reversal of 274628089 is 980826472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269222464 + 5405625 = 16408^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 274628089 - 2¹ = 274628087 is a prime.

Together with 274628087, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274628083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137314044 + 137314045.

It is an arithmetic number, because the mean of its divisors is an integer number (137314045).

Almost surely, 2^274628089 is an apocalyptic number.

It is an amenable number.

274628089 is a deficient number, since it is larger than the sum of its proper divisors (1).

274628089 is an equidigital number, since it uses as much as digits as its factorization.

274628089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 274628089 is about 16571.9066193362. The cubic root of 274628089 is about 650.0024370717.

The spelling of 274628089 in words is "two hundred seventy-four million, six hundred twenty-eight thousand, eighty-nine".