27312244541 has 4 divisors (see below), whose sum is σ = 27775164000. Its totient is φ = 26849325084.

The previous prime is 27312244529. The next prime is 27312244567. The reversal of 27312244541 is 14544221372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27312244541 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 (27312240541) 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, 231459641 + ... + 231459758.

It is an arithmetic number, because the mean of its divisors is an integer number (6943791000).

Almost surely, 2^27312244541 is an apocalyptic number.

It is an amenable number.

27312244541 is a deficient number, since it is larger than the sum of its proper divisors (462919459).

27312244541 is an equidigital number, since it uses as much as digits as its factorization.

27312244541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462919458.

The product of its digits is 53760, while the sum is 35.

The spelling of 27312244541 in words is "twenty-seven billion, three hundred twelve million, two hundred forty-four thousand, five hundred forty-one".