2869198920 has 288 divisors, whose sum is σ = 10903014720. Its totient is φ = 652458240.

The previous prime is 2869198879. The next prime is 2869198939. The reversal of 2869198920 is 298919682.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5485779 + ... + 5486301.

It is an arithmetic number, because the mean of its divisors is an integer number (37857690).

Almost surely, 2^2869198920 is an apocalyptic number.

2869198920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2869198920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5451507360).

2869198920 is an abundant number, since it is smaller than the sum of its proper divisors (8033815800).

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

2869198920 is a wasteful number, since it uses less digits than its factorization.

2869198920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 2869198920 is about 53564.9038083706. The cubic root of 2869198920 is about 1420.9764691518.

The spelling of 2869198920 in words is "two billion, eight hundred sixty-nine million, one hundred ninety-eight thousand, nine hundred twenty".