2194922013839 has 4 divisors (see below), whose sum is σ = 2195335453320. Its totient is φ = 2194508574360.

The previous prime is 2194922013803. The next prime is 2194922013841. The reversal of 2194922013839 is 9383102294912.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2194922013839 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 (2194922013899) 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, 206711777 + ... + 206722394.

It is an arithmetic number, because the mean of its divisors is an integer number (548833863330).

Almost surely, 2^{2194922013839} is an apocalyptic number.

2194922013839 is a deficient number, since it is larger than the sum of its proper divisors (413439481).

2194922013839 is an equidigital number, since it uses as much as digits as its factorization.

2194922013839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413439480.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 2194922013839 in words is "two trillion, one hundred ninety-four billion, nine hundred twenty-two million, thirteen thousand, eight hundred thirty-nine".