27451652889 has 8 divisors (see below), whose sum is σ = 36607972672. Its totient is φ = 18298217520.

The previous prime is 27451652873. The next prime is 27451652959. The reversal of 27451652889 is 98825615472.

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

It is not a de Polignac number, because 27451652889 - 2⁴ = 27451652873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27451651889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698797 + ... + 737034.

It is an arithmetic number, because the mean of its divisors is an integer number (4575996584).

Almost surely, 2^27451652889 is an apocalyptic number.

It is an amenable number.

27451652889 is a deficient number, since it is larger than the sum of its proper divisors (9156319783).

27451652889 is a wasteful number, since it uses less digits than its factorization.

27451652889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442207.

The product of its digits is 9676800, while the sum is 57.

The spelling of 27451652889 in words is "twenty-seven billion, four hundred fifty-one million, six hundred fifty-two thousand, eight hundred eighty-nine".