274338091481 has 16 divisors (see below), whose sum is σ = 308613453840. Its totient is φ = 242559313920.

The previous prime is 274338091457. The next prime is 274338091501. The reversal of 274338091481 is 184190833472.

It can be written as a sum of positive squares in 8 ways, for example, as 15440299081 + 258897792400 = 124259^2 + 508820^2 .

It is a cyclic number.

It is not a de Polignac number, because 274338091481 - 2²² = 274333897177 is a prime.

It is a super-2 number, since 2×274338091481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274338091411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7501580 + ... + 7538061.

It is an arithmetic number, because the mean of its divisors is an integer number (19288340865).

Almost surely, 2^274338091481 is an apocalyptic number.

It is an amenable number.

274338091481 is a deficient number, since it is larger than the sum of its proper divisors (34275362359).

274338091481 is a wasteful number, since it uses less digits than its factorization.

274338091481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15039724.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 274338091481 in words is "two hundred seventy-four billion, three hundred thirty-eight million, ninety-one thousand, four hundred eighty-one".