13895856889 has 4 divisors (see below), whose sum is σ = 13901085520. Its totient is φ = 13890628260.

The previous prime is 13895856839. The next prime is 13895856907. The reversal of 13895856889 is 98865859831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13895856889 - 2¹⁹ = 13895332601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13895856809) 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 in 3 ways as a sum of consecutive naturals, for example, 2610327 + ... + 2615644.

It is an arithmetic number, because the mean of its divisors is an integer number (3475271380).

Almost surely, 2^13895856889 is an apocalyptic number.

It is an amenable number.

13895856889 is a deficient number, since it is larger than the sum of its proper divisors (5228631).

13895856889 is an equidigital number, since it uses as much as digits as its factorization.

13895856889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228630.

The product of its digits is 149299200, while the sum is 70.

The spelling of 13895856889 in words is "thirteen billion, eight hundred ninety-five million, eight hundred fifty-six thousand, eight hundred eighty-nine".