27137332243 has 12 divisors (see below), whose sum is σ = 31573836720. Its totient is φ = 23256208752.

The previous prime is 27137332199. The next prime is 27137332267. The reversal of 27137332243 is 34223373172.

It is not a de Polignac number, because 27137332243 - 2³³ = 18547397651 is a prime.

It is a super-2 number, since 2×27137332243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27137330243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227205 + ... + 325417.

It is an arithmetic number, because the mean of its divisors is an integer number (2631153060).

Almost surely, 2^27137332243 is an apocalyptic number.

27137332243 is a deficient number, since it is larger than the sum of its proper divisors (4436504477).

27137332243 is an equidigital number, since it uses as much as digits as its factorization.

27137332243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103866 (or 103859 counting only the distinct ones).

The product of its digits is 127008, while the sum is 37.

The spelling of 27137332243 in words is "twenty-seven billion, one hundred thirty-seven million, three hundred thirty-two thousand, two hundred forty-three".