13885820833 has 2 divisors, whose sum is σ = 13885820834. Its totient is φ = 13885820832.

The previous prime is 13885820831. The next prime is 13885820857. The reversal of 13885820833 is 33802858831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11114008929 + 2771811904 = 105423^2 + 52648^2 .

It is a cyclic number.

It is not a de Polignac number, because 13885820833 - 2¹ = 13885820831 is a prime.

Together with 13885820831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13885820831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6942910416 + 6942910417.

It is an arithmetic number, because the mean of its divisors is an integer number (6942910417).

Almost surely, 2^13885820833 is an apocalyptic number.

It is an amenable number.

13885820833 is a deficient number, since it is larger than the sum of its proper divisors (1).

13885820833 is an equidigital number, since it uses as much as digits as its factorization.

13885820833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 13885820833 in words is "thirteen billion, eight hundred eighty-five million, eight hundred twenty thousand, eight hundred thirty-three".