274465489 has 3 divisors (see below), whose sum is σ = 274482057. Its totient is φ = 274448922.

The previous prime is 274465487. The next prime is 274465511. The reversal of 274465489 is 984564472.

The square root of 274465489 is 16567.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 274465489 - 2¹ = 274465487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274465487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8284 + ... + 24850.

It is an arithmetic number, because the mean of its divisors is an integer number (91494019).

Almost surely, 2^274465489 is an apocalyptic number.

274465489 is the 16567-th square number.

274465489 is the 8284-th centered octagonal number.

It is an amenable number.

274465489 is a deficient number, since it is larger than the sum of its proper divisors (16568).

274465489 is an frugal number, since it uses more digits than its factorization.

274465489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33134 (or 16567 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The cubic root of 274465489 is about 649.8741286840.

Multiplying 274465489 by its sum of digits (49), we get a square (13448808961 = 115969²).

The spelling of 274465489 in words is "two hundred seventy-four million, four hundred sixty-five thousand, four hundred eighty-nine".