2159889902 has 8 divisors (see below), whose sum is σ = 3246054912. Its totient is φ = 1077871600.

The previous prime is 2159889839. The next prime is 2159889917. The reversal of 2159889902 is 2099889512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1035374 + ... + 1037457.

It is an arithmetic number, because the mean of its divisors is an integer number (405756864).

Almost surely, 2^2159889902 is an apocalyptic number.

2159889902 is a deficient number, since it is larger than the sum of its proper divisors (1086165010).

2159889902 is a wasteful number, since it uses less digits than its factorization.

2159889902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073354.

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 2159889902 is about 46474.6156735050. The cubic root of 2159889902 is about 1292.6388507802.

The spelling of 2159889902 in words is "two billion, one hundred fifty-nine million, eight hundred eighty-nine thousand, nine hundred two".