2049820902 has 12 divisors (see below), whose sum is σ = 4441278660. Its totient is φ = 683273628.

The previous prime is 2049820889. The next prime is 2049820919. The reversal of 2049820902 is 2090289402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56939452 + ... + 56939487.

It is an arithmetic number, because the mean of its divisors is an integer number (370106555).

Almost surely, 2^2049820902 is an apocalyptic number.

2049820902 is an abundant number, since it is smaller than the sum of its proper divisors (2391457758).

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

2049820902 is a wasteful number, since it uses less digits than its factorization.

2049820902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113878947 (or 113878944 counting only the distinct ones).

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

The square root of 2049820902 is about 45274.9478409418. The cubic root of 2049820902 is about 1270.2970975007.

The spelling of 2049820902 in words is "two billion, forty-nine million, eight hundred twenty thousand, nine hundred two".