274384493 has 2 divisors, whose sum is σ = 274384494. Its totient is φ = 274384492.

The previous prime is 274384483. The next prime is 274384511. The reversal of 274384493 is 394483472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272019049 + 2365444 = 16493^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 274384493 - 2²⁸ = 5949037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274384483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137192246 + 137192247.

It is an arithmetic number, because the mean of its divisors is an integer number (137192247).

Almost surely, 2^274384493 is an apocalyptic number.

It is an amenable number.

274384493 is a deficient number, since it is larger than the sum of its proper divisors (1).

274384493 is an equidigital number, since it uses as much as digits as its factorization.

274384493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 44.

The square root of 274384493 is about 16564.5553215292. Note that the first 3 decimals coincide. The cubic root of 274384493 is about 649.8101954687.

The spelling of 274384493 in words is "two hundred seventy-four million, three hundred eighty-four thousand, four hundred ninety-three".