2187327984653 has 8 divisors (see below), whose sum is σ = 2522737388160. Its totient is φ = 1857652075440.

The previous prime is 2187327984641. The next prime is 2187327984659. The reversal of 2187327984653 is 3564897237812.

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

It is not a de Polignac number, because 2187327984653 - 2¹⁰ = 2187327983629 is a prime.

It is a super-3 number, since 3×2187327984653³ (a number of 38 digits) contains 333 as substring.

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 2187327984653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187327984659) 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, 1433372753 + ... + 1433374278.

It is an arithmetic number, because the mean of its divisors is an integer number (315342173520).

Almost surely, 2^{2187327984653} is an apocalyptic number.

It is an amenable number.

2187327984653 is a deficient number, since it is larger than the sum of its proper divisors (335409403507).

2187327984653 is a wasteful number, since it uses less digits than its factorization.

2187327984653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866747147.

The product of its digits is 121927680, while the sum is 65.

The spelling of 2187327984653 in words is "two trillion, one hundred eighty-seven billion, three hundred twenty-seven million, nine hundred eighty-four thousand, six hundred fifty-three".