2139094945823 has 16 divisors (see below), whose sum is σ = 2456427254400. Its totient is φ = 1842245016480.

The previous prime is 2139094945789. The next prime is 2139094945873. The reversal of 2139094945823 is 3285494909312.

It is a happy number.

It is not a de Polignac number, because 2139094945823 - 2¹⁰ = 2139094944799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139094945873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16146788 + ... + 16278726.

It is an arithmetic number, because the mean of its divisors is an integer number (153526703400).

Almost surely, 2^{2139094945823} is an apocalyptic number.

2139094945823 is a deficient number, since it is larger than the sum of its proper divisors (317332308577).

2139094945823 is a wasteful number, since it uses less digits than its factorization.

2139094945823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209542.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 2139094945823 in words is "two trillion, one hundred thirty-nine billion, ninety-four million, nine hundred forty-five thousand, eight hundred twenty-three".