274151489 has 2 divisors, whose sum is σ = 274151490. Its totient is φ = 274151488.

The previous prime is 274151431. The next prime is 274151491. The reversal of 274151489 is 984151472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174451264 + 99700225 = 13208^2 + 9985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274151489 is a prime.

Together with 274151491, 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 (274151089) 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, 137075744 + 137075745.

It is an arithmetic number, because the mean of its divisors is an integer number (137075745).

Almost surely, 2^274151489 is an apocalyptic number.

It is an amenable number.

274151489 is a deficient number, since it is larger than the sum of its proper divisors (1).

274151489 is an equidigital number, since it uses as much as digits as its factorization.

274151489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 274151489 is about 16557.5206175321. The cubic root of 274151489 is about 649.6262063866.

The spelling of 274151489 in words is "two hundred seventy-four million, one hundred fifty-one thousand, four hundred eighty-nine".