27182137836673 has 4 divisors (see below), whose sum is σ = 27182165238868. Its totient is φ = 27182110434480.

The previous prime is 27182137836629. The next prime is 27182137836701. The reversal of 27182137836673 is 37663873128172.

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 19205710234624 + 7976427602049 = 4382432^2 + 2824257^2 .

It is a cyclic number.

It is not a de Polignac number, because 27182137836673 - 2¹³ = 27182137828481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27182137836613) 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, 12154986 + ... + 14216467.

It is an arithmetic number, because the mean of its divisors is an integer number (6795541309717).

Almost surely, 2^{27182137836673} is an apocalyptic number.

It is an amenable number.

27182137836673 is a deficient number, since it is larger than the sum of its proper divisors (27402195).

27182137836673 is a wasteful number, since it uses less digits than its factorization.

27182137836673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27402194.

The product of its digits is 85349376, while the sum is 64.

The spelling of 27182137836673 in words is "twenty-seven trillion, one hundred eighty-two billion, one hundred thirty-seven million, eight hundred thirty-six thousand, six hundred seventy-three".