274486913 has 4 divisors (see below), whose sum is σ = 290633220. Its totient is φ = 258340608.

The previous prime is 274486907. The next prime is 274486951. The reversal of 274486913 is 319684472.

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 254977024 + 19509889 = 15968^2 + 4417^2 .

It is a cyclic number.

It is not a de Polignac number, because 274486913 - 2⁴ = 274486897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274486013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8073128 + ... + 8073161.

It is an arithmetic number, because the mean of its divisors is an integer number (72658305).

Almost surely, 2^274486913 is an apocalyptic number.

It is an amenable number.

274486913 is a deficient number, since it is larger than the sum of its proper divisors (16146307).

274486913 is a wasteful number, since it uses less digits than its factorization.

274486913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16146306.

The product of its digits is 290304, while the sum is 44.

The square root of 274486913 is about 16567.6465739706. The cubic root of 274486913 is about 649.8910373564.

The spelling of 274486913 in words is "two hundred seventy-four million, four hundred eighty-six thousand, nine hundred thirteen".