274630969 has 2 divisors, whose sum is σ = 274630970. Its totient is φ = 274630968.

The previous prime is 274630963. The next prime is 274630973. The reversal of 274630969 is 969036472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249229369 + 25401600 = 15787^2 + 5040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274630969 is a prime.

It is a super-2 number, since 2×274630969² = 150844338267757922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (274630963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137315484 + 137315485.

It is an arithmetic number, because the mean of its divisors is an integer number (137315485).

Almost surely, 2^274630969 is an apocalyptic number.

It is an amenable number.

274630969 is a deficient number, since it is larger than the sum of its proper divisors (1).

274630969 is an equidigital number, since it uses as much as digits as its factorization.

274630969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 274630969 is about 16571.9935131534. The cubic root of 274630969 is about 650.0047092361.

The spelling of 274630969 in words is "two hundred seventy-four million, six hundred thirty thousand, nine hundred sixty-nine".