274120489 has 4 divisors (see below), whose sum is σ = 274191556. Its totient is φ = 274049424.

The previous prime is 274120481. The next prime is 274120493. The reversal of 274120489 is 984021472.

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 86211225 + 187909264 = 9285^2 + 13708^2 .

It is a cyclic number.

It is not a de Polignac number, because 274120489 - 2³ = 274120481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274120481) 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, 29394 + ... + 37579.

It is an arithmetic number, because the mean of its divisors is an integer number (68547889).

Almost surely, 2^274120489 is an apocalyptic number.

It is an amenable number.

274120489 is a deficient number, since it is larger than the sum of its proper divisors (71067).

274120489 is an equidigital number, since it uses as much as digits as its factorization.

274120489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71066.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 274120489 is about 16556.5844605704. The cubic root of 274120489 is about 649.6017197161.

The spelling of 274120489 in words is "two hundred seventy-four million, one hundred twenty thousand, four hundred eighty-nine".