13840789758839 has 2 divisors, whose sum is σ = 13840789758840. Its totient is φ = 13840789758838.

The previous prime is 13840789758797. The next prime is 13840789758847. The reversal of 13840789758839 is 93885798704831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13840789758839 is a prime.

It is a super-2 number, since 2×13840789758839² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13840789758139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6920394879419 + 6920394879420.

It is an arithmetic number, because the mean of its divisors is an integer number (6920394879420).

Almost surely, 2^{13840789758839} is an apocalyptic number.

13840789758839 is a deficient number, since it is larger than the sum of its proper divisors (1).

13840789758839 is an equidigital number, since it uses as much as digits as its factorization.

13840789758839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2926264320, while the sum is 80.

The spelling of 13840789758839 in words is "thirteen trillion, eight hundred forty billion, seven hundred eighty-nine million, seven hundred fifty-eight thousand, eight hundred thirty-nine".