27021843268001 has 4 divisors (see below), whose sum is σ = 27022960035732. Its totient is φ = 27020726500272.

The previous prime is 27021843267949. The next prime is 27021843268019. The reversal of 27021843268001 is 10086234812072.

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 5419937861776 + 21601905406225 = 2328076^2 + 4647785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27021843268001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27021843268031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558347570 + ... + 558395963.

It is an arithmetic number, because the mean of its divisors is an integer number (6755740008933).

Almost surely, 2^{27021843268001} is an apocalyptic number.

It is an amenable number.

27021843268001 is a deficient number, since it is larger than the sum of its proper divisors (1116767731).

27021843268001 is a wasteful number, since it uses less digits than its factorization.

27021843268001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116767730.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 27021843268001 in words is "twenty-seven trillion, twenty-one billion, eight hundred forty-three million, two hundred sixty-eight thousand, one".