274374214391 has 4 divisors (see below), whose sum is σ = 274378124400. Its totient is φ = 274370304384.

The previous prime is 274374214351. The next prime is 274374214537. The reversal of 274374214391 is 193412473472.

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 274374214391 - 2¹⁸ = 274373952247 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 (274374214351) 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, 1847786 + ... + 1990743.

It is an arithmetic number, because the mean of its divisors is an integer number (68594531100).

Almost surely, 2^274374214391 is an apocalyptic number.

274374214391 is a deficient number, since it is larger than the sum of its proper divisors (3910009).

274374214391 is an equidigital number, since it uses as much as digits as its factorization.

274374214391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910008.

The product of its digits is 1016064, while the sum is 47.

The spelling of 274374214391 in words is "two hundred seventy-four billion, three hundred seventy-four million, two hundred fourteen thousand, three hundred ninety-one".