13870743911 has 2 divisors, whose sum is σ = 13870743912. Its totient is φ = 13870743910.

The previous prime is 13870743899. The next prime is 13870743967. The reversal of 13870743911 is 11934707831.

It is a happy number.

13870743911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13870743911 - 2⁶ = 13870743847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13870740911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6935371955 + 6935371956.

It is an arithmetic number, because the mean of its divisors is an integer number (6935371956).

Almost surely, 2^13870743911 is an apocalyptic number.

13870743911 is a deficient number, since it is larger than the sum of its proper divisors (1).

13870743911 is an equidigital number, since it uses as much as digits as its factorization.

13870743911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 13870743911 in words is "thirteen billion, eight hundred seventy million, seven hundred forty-three thousand, nine hundred eleven".