274332649 has 2 divisors, whose sum is σ = 274332650. Its totient is φ = 274332648.

The previous prime is 274332637. The next prime is 274332673. The reversal of 274332649 is 946233472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263835049 + 10497600 = 16243^2 + 3240^2 .

It is a cyclic number.

It is not a de Polignac number, because 274332649 - 2¹⁹ = 273808361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274332629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137166324 + 137166325.

It is an arithmetic number, because the mean of its divisors is an integer number (137166325).

Almost surely, 2^274332649 is an apocalyptic number.

It is an amenable number.

274332649 is a deficient number, since it is larger than the sum of its proper divisors (1).

274332649 is an equidigital number, since it uses as much as digits as its factorization.

274332649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The square root of 274332649 is about 16562.9903399114. The cubic root of 274332649 is about 649.7692664286.

The spelling of 274332649 in words is "two hundred seventy-four million, three hundred thirty-two thousand, six hundred forty-nine".