274949009 has 4 divisors (see below), whose sum is σ = 281343216. Its totient is φ = 268554804.

The previous prime is 274948997. The next prime is 274949053. The reversal of 274949009 is 900949472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 274949009 - 2¹² = 274944913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274949069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197039 + ... + 3197124.

It is an arithmetic number, because the mean of its divisors is an integer number (70335804).

Almost surely, 2^274949009 is an apocalyptic number.

It is an amenable number.

274949009 is a deficient number, since it is larger than the sum of its proper divisors (6394207).

274949009 is an equidigital number, since it uses as much as digits as its factorization.

274949009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394206.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 274949009 is about 16581.5864440047. The cubic root of 274949009 is about 650.2555279361.

The spelling of 274949009 in words is "two hundred seventy-four million, nine hundred forty-nine thousand, nine".