274909969 has 4 divisors (see below), whose sum is σ = 279569520. Its totient is φ = 270250420.

The previous prime is 274909949. The next prime is 274909979. The reversal of 274909969 is 969909472.

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 274909969 - 2¹³ = 274901777 is a prime.

It is a super-2 number, since 2×274909969² = 151150982111161922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274909949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329687 + ... + 2329804.

It is an arithmetic number, because the mean of its divisors is an integer number (69892380).

Almost surely, 2^274909969 is an apocalyptic number.

It is an amenable number.

274909969 is a deficient number, since it is larger than the sum of its proper divisors (4659551).

274909969 is an equidigital number, since it uses as much as digits as its factorization.

274909969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659550.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 274909969 is about 16580.4091927793. The cubic root of 274909969 is about 650.2247498929.

The spelling of 274909969 in words is "two hundred seventy-four million, nine hundred nine thousand, nine hundred sixty-nine".