274289243479 has 4 divisors (see below), whose sum is σ = 274310161200. Its totient is φ = 274268325760.

The previous prime is 274289243471. The next prime is 274289243491. The reversal of 274289243479 is 974342982472.

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 274289243479 - 2³ = 274289243471 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 (274289243471) 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, 10439179 + ... + 10465420.

It is an arithmetic number, because the mean of its divisors is an integer number (68577540300).

Almost surely, 2^274289243479 is an apocalyptic number.

274289243479 is a deficient number, since it is larger than the sum of its proper divisors (20917721).

274289243479 is a wasteful number, since it uses less digits than its factorization.

274289243479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917720.

The product of its digits is 48771072, while the sum is 61.

The spelling of 274289243479 in words is "two hundred seventy-four billion, two hundred eighty-nine million, two hundred forty-three thousand, four hundred seventy-nine".