27340992709 has 4 divisors (see below), whose sum is σ = 27344217420. Its totient is φ = 27337768000.

The previous prime is 27340992667. The next prime is 27340992719. The reversal of 27340992709 is 90729904372.

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 8775567684 + 18565425025 = 93678^2 + 136255^2 .

It is a cyclic number.

It is not a de Polignac number, because 27340992709 - 2¹¹ = 27340990661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27340992719) 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, 1599604 + ... + 1616605.

It is an arithmetic number, because the mean of its divisors is an integer number (6836054355).

Almost surely, 2^27340992709 is an apocalyptic number.

It is an amenable number.

27340992709 is a deficient number, since it is larger than the sum of its proper divisors (3224711).

27340992709 is an equidigital number, since it uses as much as digits as its factorization.

27340992709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224710.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 27340992709 in words is "twenty-seven billion, three hundred forty million, nine hundred ninety-two thousand, seven hundred nine".