274877906243 has 2 divisors, whose sum is σ = 274877906244. Its totient is φ = 274877906242.

The previous prime is 274877906213. The next prime is 274877906267. The reversal of 274877906243 is 342609778472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274877906243 - 2⁶ = 274877906179 is a prime.

It is not a weakly prime, because it can be changed into another prime (274877906203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137438953121 + 137438953122.

It is an arithmetic number, because the mean of its divisors is an integer number (137438953122).

Almost surely, 2^274877906243 is an apocalyptic number.

274877906243 is a deficient number, since it is larger than the sum of its proper divisors (1).

274877906243 is an equidigital number, since it uses as much as digits as its factorization.

274877906243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 59.

The spelling of 274877906243 in words is "two hundred seventy-four billion, eight hundred seventy-seven million, nine hundred six thousand, two hundred forty-three".