274270489 has 2 divisors, whose sum is σ = 274270490. Its totient is φ = 274270488.

The previous prime is 274270481. The next prime is 274270519. The reversal of 274270489 is 984072472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253064464 + 21206025 = 15908^2 + 4605^2 .

It is a cyclic number.

It is not a de Polignac number, because 274270489 - 2³ = 274270481 is a prime.

It is a super-2 number, since 2×274270489² = 150448602272598242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (274270481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137135244 + 137135245.

It is an arithmetic number, because the mean of its divisors is an integer number (137135245).

Almost surely, 2^274270489 is an apocalyptic number.

It is an amenable number.

274270489 is a deficient number, since it is larger than the sum of its proper divisors (1).

274270489 is an equidigital number, since it uses as much as digits as its factorization.

274270489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 274270489 is about 16561.1137608556. The cubic root of 274270489 is about 649.7201864658.

The spelling of 274270489 in words is "two hundred seventy-four million, two hundred seventy thousand, four hundred eighty-nine".