27422249521 has 8 divisors (see below), whose sum is σ = 27846779688. Its totient is φ = 27000720000.

The previous prime is 27422249509. The next prime is 27422249527. The reversal of 27422249521 is 12594222472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3857296 + 27418392225 = 1964^2 + 165585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27422249521 - 2²³ = 27413860913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27422249527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731740 + ... + 768301.

It is an arithmetic number, because the mean of its divisors is an integer number (3480847461).

Almost surely, 2^27422249521 is an apocalyptic number.

It is an amenable number.

27422249521 is a deficient number, since it is larger than the sum of its proper divisors (424530167).

27422249521 is a wasteful number, since it uses less digits than its factorization.

27422249521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500323.

The product of its digits is 161280, while the sum is 40.

The spelling of 27422249521 in words is "twenty-seven billion, four hundred twenty-two million, two hundred forty-nine thousand, five hundred twenty-one".