274045489 has 4 divisors (see below), whose sum is σ = 278538100. Its totient is φ = 269552880.

The previous prime is 274045481. The next prime is 274045547. The reversal of 274045489 is 984540472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41177889 + 232867600 = 6417^2 + 15260^2 .

It is a cyclic number.

It is not a de Polignac number, because 274045489 - 2³ = 274045481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274045481) 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, 2246214 + ... + 2246335.

It is an arithmetic number, because the mean of its divisors is an integer number (69634525).

Almost surely, 2^274045489 is an apocalyptic number.

It is an amenable number.

274045489 is a deficient number, since it is larger than the sum of its proper divisors (4492611).

274045489 is an equidigital number, since it uses as much as digits as its factorization.

274045489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492610.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 274045489 is about 16554.3193457176. The cubic root of 274045489 is about 649.5424701344.

The spelling of 274045489 in words is "two hundred seventy-four million, forty-five thousand, four hundred eighty-nine".