274851009 has 16 divisors (see below), whose sum is σ = 421228800. Its totient is φ = 176915088.

The previous prime is 274850977. The next prime is 274851013. The reversal of 274851009 is 900158472.

It is not a de Polignac number, because 274851009 - 2⁵ = 274850977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (274851079) 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 15 ways as a sum of consecutive naturals, for example, 174729 + ... + 176294.

It is an arithmetic number, because the mean of its divisors is an integer number (26326800).

Almost surely, 2^274851009 is an apocalyptic number.

274851009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

274851009 is a deficient number, since it is larger than the sum of its proper divisors (146377791).

274851009 is a wasteful number, since it uses less digits than its factorization.

274851009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351061 (or 351055 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 274851009 is about 16578.6310954795. The cubic root of 274851009 is about 650.1782619555.

The spelling of 274851009 in words is "two hundred seventy-four million, eight hundred fifty-one thousand, nine".