274149349 has 2 divisors, whose sum is σ = 274149350. Its totient is φ = 274149348.

The previous prime is 274149277. The next prime is 274149373. The reversal of 274149349 is 943941472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235622500 + 38526849 = 15350^2 + 6207^2 .

It is a cyclic number.

It is not a de Polignac number, because 274149349 - 2²³ = 265760741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274149649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137074674 + 137074675.

It is an arithmetic number, because the mean of its divisors is an integer number (137074675).

Almost surely, 2^274149349 is an apocalyptic number.

It is an amenable number.

274149349 is a deficient number, since it is larger than the sum of its proper divisors (1).

274149349 is an equidigital number, since it uses as much as digits as its factorization.

274149349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 274149349 is about 16557.4559942039. The cubic root of 274149349 is about 649.6245160757.

It can be divided in two parts, 27414 and 9349, that added together give a palindrome (36763).

The spelling of 274149349 in words is "two hundred seventy-four million, one hundred forty-nine thousand, three hundred forty-nine".