13861782871 has 2 divisors, whose sum is σ = 13861782872. Its totient is φ = 13861782870.

The previous prime is 13861782859. The next prime is 13861782917. The reversal of 13861782871 is 17828716831.

13861782871 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 13861782871 - 2⁷ = 13861782743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13861782821) 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, 6930891435 + 6930891436.

It is an arithmetic number, because the mean of its divisors is an integer number (6930891436).

Almost surely, 2^13861782871 is an apocalyptic number.

13861782871 is a deficient number, since it is larger than the sum of its proper divisors (1).

13861782871 is an equidigital number, since it uses as much as digits as its factorization.

13861782871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 52.

The spelling of 13861782871 in words is "thirteen billion, eight hundred sixty-one million, seven hundred eighty-two thousand, eight hundred seventy-one".