2159249696 has 96 divisors (see below), whose sum is σ = 4724697600. Its totient is φ = 966758400.

The previous prime is 2159249693. The next prime is 2159249711. The reversal of 2159249696 is 6969429512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2159249693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027655 + ... + 1029753.

It is an arithmetic number, because the mean of its divisors is an integer number (49215600).

Almost surely, 2^2159249696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2159249696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362348800).

2159249696 is an abundant number, since it is smaller than the sum of its proper divisors (2565447904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2159249696 is a wasteful number, since it uses less digits than its factorization.

2159249696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2210 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The square root of 2159249696 is about 46467.7274675661. The cubic root of 2159249696 is about 1292.5111225219.

The spelling of 2159249696 in words is "two billion, one hundred fifty-nine million, two hundred forty-nine thousand, six hundred ninety-six".