274606665881 has 8 divisors (see below), whose sum is σ = 279215555400. Its totient is φ = 270001232640.

The previous prime is 274606665829. The next prime is 274606665887. The reversal of 274606665881 is 188566606472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9381665881 + 265225000000 = 96859^2 + 515000^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 274606665881 - 2¹⁴ = 274606649497 is a prime.

It is a super-2 number, since 2×274606665881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 274606665881.

It is not an unprimeable number, because it can be changed into a prime (274606665887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703586 + ... + 1021883.

It is an arithmetic number, because the mean of its divisors is an integer number (34901944425).

Almost surely, 2^274606665881 is an apocalyptic number.

It is an amenable number.

274606665881 is a deficient number, since it is larger than the sum of its proper divisors (4608889519).

274606665881 is a wasteful number, since it uses less digits than its factorization.

274606665881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728139.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 274606665881 in words is "two hundred seventy-four billion, six hundred six million, six hundred sixty-five thousand, eight hundred eighty-one".