274716149 has 2 divisors, whose sum is σ = 274716150. Its totient is φ = 274716148.

The previous prime is 274716059. The next prime is 274716161. The reversal of 274716149 is 941617472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266277124 + 8439025 = 16318^2 + 2905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274716149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274716199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137358074 + 137358075.

It is an arithmetic number, because the mean of its divisors is an integer number (137358075).

Almost surely, 2^274716149 is an apocalyptic number.

It is an amenable number.

274716149 is a deficient number, since it is larger than the sum of its proper divisors (1).

274716149 is an equidigital number, since it uses as much as digits as its factorization.

274716149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 274716149 is about 16574.5633124979. The cubic root of 274716149 is about 650.0719044715.

The spelling of 274716149 in words is "two hundred seventy-four million, seven hundred sixteen thousand, one hundred forty-nine".