274031489 has 2 divisors, whose sum is σ = 274031490. Its totient is φ = 274031488.

The previous prime is 274031437. The next prime is 274031501. The reversal of 274031489 is 984130472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257057089 + 16974400 = 16033^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 274031489 - 2¹² = 274027393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274031419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137015744 + 137015745.

It is an arithmetic number, because the mean of its divisors is an integer number (137015745).

Almost surely, 2^274031489 is an apocalyptic number.

It is an amenable number.

274031489 is a deficient number, since it is larger than the sum of its proper divisors (1).

274031489 is an equidigital number, since it uses as much as digits as its factorization.

274031489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 274031489 is about 16553.8964899506. The cubic root of 274031489 is about 649.5314090152.

The spelling of 274031489 in words is "two hundred seventy-four million, thirty-one thousand, four hundred eighty-nine".