274742394263 has 2 divisors, whose sum is σ = 274742394264. Its totient is φ = 274742394262.

The previous prime is 274742394259. The next prime is 274742394319. The reversal of 274742394263 is 362493247472.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274742394263 - 2² = 274742394259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274742394203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137371197131 + 137371197132.

It is an arithmetic number, because the mean of its divisors is an integer number (137371197132).

Almost surely, 2^274742394263 is an apocalyptic number.

274742394263 is a deficient number, since it is larger than the sum of its proper divisors (1).

274742394263 is an equidigital number, since it uses as much as digits as its factorization.

274742394263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 53.

The spelling of 274742394263 in words is "two hundred seventy-four billion, seven hundred forty-two million, three hundred ninety-four thousand, two hundred sixty-three".