2099869990 has 32 divisors (see below), whose sum is σ = 3913116480. Its totient is φ = 810359424.

The previous prime is 2099869979. The next prime is 2099869997. The reversal of 2099869990 is 999689902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099869997) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 593607 + ... + 597133.

It is an arithmetic number, because the mean of its divisors is an integer number (122284890).

Almost surely, 2^2099869990 is an apocalyptic number.

2099869990 is a deficient number, since it is larger than the sum of its proper divisors (1813246490).

2099869990 is a wasteful number, since it uses less digits than its factorization.

2099869990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 5668704, while the sum is 61.

The square root of 2099869990 is about 45824.3384022072. The cubic root of 2099869990 is about 1280.5527377600.

The spelling of 2099869990 in words is "two billion, ninety-nine million, eight hundred sixty-nine thousand, nine hundred ninety".