274781066089 has 4 divisors (see below), whose sum is σ = 278545190356. Its totient is φ = 271016941824.

The previous prime is 274781066071. The next prime is 274781066149. The reversal of 274781066089 is 980660187472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84678090025 + 190102976064 = 290995^2 + 436008^2 .

It is a cyclic number.

It is not a de Polignac number, because 274781066089 - 2³⁵ = 240421327721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274781066059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882062024 + ... + 1882062169.

It is an arithmetic number, because the mean of its divisors is an integer number (69636297589).

Almost surely, 2^274781066089 is an apocalyptic number.

It is an amenable number.

274781066089 is a deficient number, since it is larger than the sum of its proper divisors (3764124267).

274781066089 is an equidigital number, since it uses as much as digits as its factorization.

274781066089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764124266.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 274781066089 in words is "two hundred seventy-four billion, seven hundred eighty-one million, sixty-six thousand, eighty-nine".