2869930820 has 24 divisors (see below), whose sum is σ = 6381376344. Its totient is φ = 1080444416.

The previous prime is 2869930813. The next prime is 2869930841. The reversal of 2869930820 is 280399682.

2869930820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 959017024 + 1910913796 = 30968^2 + 43714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220147 + ... + 4220826.

It is an arithmetic number, because the mean of its divisors is an integer number (265890681).

Almost surely, 2^2869930820 is an apocalyptic number.

2869930820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2869930820 is an abundant number, since it is smaller than the sum of its proper divisors (3511445524).

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

2869930820 is a wasteful number, since it uses less digits than its factorization.

2869930820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440999 (or 8440997 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 2869930820 is about 53571.7352715030. The cubic root of 2869930820 is about 1421.0972838562.

The spelling of 2869930820 in words is "two billion, eight hundred sixty-nine million, nine hundred thirty thousand, eight hundred twenty".