2869016891 has 16 divisors (see below), whose sum is σ = 3254307840. Its totient is φ = 2507410080.

The previous prime is 2869016881. The next prime is 2869016939. The reversal of 2869016891 is 1986109682.

It is a happy number.

2869016891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2869016891 - 2⁶ = 2869016827 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2869016831) 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, 637736 + ... + 642218.

It is an arithmetic number, because the mean of its divisors is an integer number (203394240).

Almost surely, 2^2869016891 is an apocalyptic number.

2869016891 is a deficient number, since it is larger than the sum of its proper divisors (385290949).

2869016891 is a wasteful number, since it uses less digits than its factorization.

2869016891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 2869016891 is about 53563.2046371387. The cubic root of 2869016891 is about 1420.9464184416.

The spelling of 2869016891 in words is "two billion, eight hundred sixty-nine million, sixteen thousand, eight hundred ninety-one".