274663913 has 4 divisors (see below), whose sum is σ = 282087300. Its totient is φ = 267240528.

The previous prime is 274663903. The next prime is 274663933. The reversal of 274663913 is 319366472.

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 95023504 + 179640409 = 9748^2 + 13403^2 .

It is a cyclic number.

It is not a de Polignac number, because 274663913 - 2⁸ = 274663657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274663903) 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, 3711638 + ... + 3711711.

It is an arithmetic number, because the mean of its divisors is an integer number (70521825).

Almost surely, 2^274663913 is an apocalyptic number.

It is an amenable number.

274663913 is a deficient number, since it is larger than the sum of its proper divisors (7423387).

274663913 is an equidigital number, since it uses as much as digits as its factorization.

274663913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423386.

The product of its digits is 163296, while the sum is 41.

The square root of 274663913 is about 16572.9874494612. The cubic root of 274663913 is about 650.0306991418.

The spelling of 274663913 in words is "two hundred seventy-four million, six hundred sixty-three thousand, nine hundred thirteen".