274298789 has 2 divisors, whose sum is σ = 274298790. Its totient is φ = 274298788.

The previous prime is 274298779. The next prime is 274298807. The reversal of 274298789 is 987892472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162996289 + 111302500 = 12767^2 + 10550^2 .

It is a cyclic number.

It is not a de Polignac number, because 274298789 - 2¹² = 274294693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274298779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137149394 + 137149395.

It is an arithmetic number, because the mean of its divisors is an integer number (137149395).

Almost surely, 2^274298789 is an apocalyptic number.

It is an amenable number.

274298789 is a deficient number, since it is larger than the sum of its proper divisors (1).

274298789 is an equidigital number, since it uses as much as digits as its factorization.

274298789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 56.

The square root of 274298789 is about 16561.9681499513. The cubic root of 274298789 is about 649.7425323490.

The spelling of 274298789 in words is "two hundred seventy-four million, two hundred ninety-eight thousand, seven hundred eighty-nine".