27421244267 has 4 divisors (see below), whose sum is σ = 27421604616. Its totient is φ = 27420883920.

The previous prime is 27421244143. The next prime is 27421244281. The reversal of 27421244267 is 76244212472.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 27421244267 - 2³⁴ = 10241375083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27421244567) 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, 16418 + ... + 234759.

It is an arithmetic number, because the mean of its divisors is an integer number (6855401154).

Almost surely, 2^27421244267 is an apocalyptic number.

27421244267 is a deficient number, since it is larger than the sum of its proper divisors (360349).

27421244267 is a wasteful number, since it uses less digits than its factorization.

27421244267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360348.

The product of its digits is 301056, while the sum is 41.

The spelling of 27421244267 in words is "twenty-seven billion, four hundred twenty-one million, two hundred forty-four thousand, two hundred sixty-seven".