2159888895 has 20 divisors (see below), whose sum is σ = 3871801560. Its totient is φ = 1151940528.

The previous prime is 2159888867. The next prime is 2159888917. The reversal of 2159888895 is 5988889512.

It is not a de Polignac number, because 2159888895 - 2¹⁸ = 2159626751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2666125 + ... + 2666934.

It is an arithmetic number, because the mean of its divisors is an integer number (193590078).

Almost surely, 2^2159888895 is an apocalyptic number.

2159888895 is a deficient number, since it is larger than the sum of its proper divisors (1711912665).

2159888895 is an equidigital number, since it uses as much as digits as its factorization.

2159888895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333076 (or 5333067 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 63.

The square root of 2159888895 is about 46474.6048396326. The cubic root of 2159888895 is about 1292.6386498922.

The spelling of 2159888895 in words is "two billion, one hundred fifty-nine million, eight hundred eighty-eight thousand, eight hundred ninety-five".