27372474889 has 4 divisors (see below), whose sum is σ = 27489953556. Its totient is φ = 27254996224.

The previous prime is 27372474839. The next prime is 27372474947. The reversal of 27372474889 is 98847427372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6194949264 + 21177525625 = 78708^2 + 145525^2 .

It is a cyclic number.

It is not a de Polignac number, because 27372474889 - 2⁹ = 27372474377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27372474839) 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 3 ways as a sum of consecutive naturals, for example, 58738984 + ... + 58739449.

It is an arithmetic number, because the mean of its divisors is an integer number (6872488389).

Almost surely, 2^27372474889 is an apocalyptic number.

It is an amenable number.

27372474889 is a deficient number, since it is larger than the sum of its proper divisors (117478667).

27372474889 is a wasteful number, since it uses less digits than its factorization.

27372474889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117478666.

The product of its digits is 37933056, while the sum is 61.

The spelling of 27372474889 in words is "twenty-seven billion, three hundred seventy-two million, four hundred seventy-four thousand, eight hundred eighty-nine".