27442192243 has 4 divisors (see below), whose sum is σ = 27453917008. Its totient is φ = 27430467480.

The previous prime is 27442192241. The next prime is 27442192247. The reversal of 27442192243 is 34229124472.

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

It is a cyclic number.

It is not a de Polignac number, because 27442192243 - 2¹ = 27442192241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27442192196 and 27442192205.

It is not an unprimeable number, because it can be changed into a prime (27442192241) 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, 5858871 + ... + 5863552.

It is an arithmetic number, because the mean of its divisors is an integer number (6863479252).

Almost surely, 2^27442192243 is an apocalyptic number.

27442192243 is a deficient number, since it is larger than the sum of its proper divisors (11724765).

27442192243 is a wasteful number, since it uses less digits than its factorization.

27442192243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724764.

The product of its digits is 193536, while the sum is 40.

The spelling of 27442192243 in words is "twenty-seven billion, four hundred forty-two million, one hundred ninety-two thousand, two hundred forty-three".