2102869206 has 48 divisors (see below), whose sum is σ = 4694549184. Its totient is φ = 679940352.

The previous prime is 2102869201. The next prime is 2102869217. The reversal of 2102869206 is 6029682012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102869201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84600 + ... + 106596.

It is an arithmetic number, because the mean of its divisors is an integer number (97803108).

Almost surely, 2^2102869206 is an apocalyptic number.

2102869206 is an abundant number, since it is smaller than the sum of its proper divisors (2591679978).

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

2102869206 is a wasteful number, since it uses less digits than its factorization.

2102869206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22165 (or 22162 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2102869206 is about 45857.0518677335. The cubic root of 2102869206 is about 1281.1621131356.

The spelling of 2102869206 in words is "two billion, one hundred two million, eight hundred sixty-nine thousand, two hundred six".