274802939 has 2 divisors, whose sum is σ = 274802940. Its totient is φ = 274802938.

The previous prime is 274802929. The next prime is 274802953. The reversal of 274802939 is 939208472.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274802939 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 274802939.

It is not a weakly prime, because it can be changed into another prime (274802929) 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, 137401469 + 137401470.

It is an arithmetic number, because the mean of its divisors is an integer number (137401470).

Almost surely, 2^274802939 is an apocalyptic number.

274802939 is a deficient number, since it is larger than the sum of its proper divisors (1).

274802939 is an equidigital number, since it uses as much as digits as its factorization.

274802939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 274802939 is about 16577.1812742698. The cubic root of 274802939 is about 650.1403554895.

The spelling of 274802939 in words is "two hundred seventy-four million, eight hundred two thousand, nine hundred thirty-nine".