274043663 has 4 divisors (see below), whose sum is σ = 274290120. Its totient is φ = 273797208.

The previous prime is 274043641. The next prime is 274043711. The reversal of 274043663 is 366340472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 274043663 - 2¹² = 274039567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274043563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121553 + ... + 123786.

It is an arithmetic number, because the mean of its divisors is an integer number (68572530).

Almost surely, 2^274043663 is an apocalyptic number.

274043663 is a deficient number, since it is larger than the sum of its proper divisors (246457).

274043663 is a wasteful number, since it uses less digits than its factorization.

274043663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246456.

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 274043663 is about 16554.2641938565. The cubic root of 274043663 is about 649.5410274697.

The spelling of 274043663 in words is "two hundred seventy-four million, forty-three thousand, six hundred sixty-three".