274290371387 has 2 divisors, whose sum is σ = 274290371388. Its totient is φ = 274290371386.

The previous prime is 274290371261. The next prime is 274290371389. The reversal of 274290371387 is 783173092472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274290371387 - 2¹⁸ = 274290109243 is a prime.

Together with 274290371389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274290371389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137145185693 + 137145185694.

It is an arithmetic number, because the mean of its divisors is an integer number (137145185694).

Almost surely, 2^274290371387 is an apocalyptic number.

274290371387 is a deficient number, since it is larger than the sum of its proper divisors (1).

274290371387 is an equidigital number, since it uses as much as digits as its factorization.

274290371387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 274290371387 in words is "two hundred seventy-four billion, two hundred ninety million, three hundred seventy-one thousand, three hundred eighty-seven".