27453372209 has 8 divisors (see below), whose sum is σ = 27543048192. Its totient is φ = 27363790720.

The previous prime is 27453372197. The next prime is 27453372211. The reversal of 27453372209 is 90227335472.

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 27453372209 - 2¹² = 27453368113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27453372209.

It is not an unprimeable number, because it can be changed into a prime (27453372229) 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, 583649 + ... + 628929.

It is an arithmetic number, because the mean of its divisors is an integer number (3442881024).

Almost surely, 2^27453372209 is an apocalyptic number.

It is an amenable number.

27453372209 is a deficient number, since it is larger than the sum of its proper divisors (89675983).

27453372209 is a wasteful number, since it uses less digits than its factorization.

27453372209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47247.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 27453372209 in words is "twenty-seven billion, four hundred fifty-three million, three hundred seventy-two thousand, two hundred nine".