274240834381 has 2 divisors, whose sum is σ = 274240834382. Its totient is φ = 274240834380.

The previous prime is 274240834369. The next prime is 274240834429. The reversal of 274240834381 is 183438042472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236715333156 + 37525501225 = 486534^2 + 193715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274240834381 is a prime.

It is a super-2 number, since 2×274240834381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274240835381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137120417190 + 137120417191.

It is an arithmetic number, because the mean of its divisors is an integer number (137120417191).

Almost surely, 2^274240834381 is an apocalyptic number.

It is an amenable number.

274240834381 is a deficient number, since it is larger than the sum of its proper divisors (1).

274240834381 is an equidigital number, since it uses as much as digits as its factorization.

274240834381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 274240834381 in words is "two hundred seventy-four billion, two hundred forty million, eight hundred thirty-four thousand, three hundred eighty-one".