2186800234139 has 4 divisors (see below), whose sum is σ = 2188286843520. Its totient is φ = 2185313624760.

The previous prime is 2186800234111. The next prime is 2186800234141. The reversal of 2186800234139 is 9314320086812.

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

It is a cyclic number.

It is not a de Polignac number, because 2186800234139 - 2⁸ = 2186800233883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2186800234093 and 2186800234102.

It is not an unprimeable number, because it can be changed into a prime (2186800234109) 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, 743302484 + ... + 743305425.

It is an arithmetic number, because the mean of its divisors is an integer number (547071710880).

Almost surely, 2^{2186800234139} is an apocalyptic number.

2186800234139 is a deficient number, since it is larger than the sum of its proper divisors (1486609381).

2186800234139 is a wasteful number, since it uses less digits than its factorization.

2186800234139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486609380.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 2186800234139 in words is "two trillion, one hundred eighty-six billion, eight hundred million, two hundred thirty-four thousand, one hundred thirty-nine".