2099847490 has 32 divisors (see below), whose sum is σ = 4076691696. Its totient is φ = 774144000.

The previous prime is 2099847487. The next prime is 2099847517. The reversal of 2099847490 is 947489902.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 196532361 + 1903315129 = 14019^2 + 43627^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75490 + ... + 99490.

Almost surely, 2^2099847490 is an apocalyptic number.

2099847490 is a deficient number, since it is larger than the sum of its proper divisors (1976844206).

2099847490 is a wasteful number, since it uses less digits than its factorization.

2099847490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24694.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2099847490 is about 45824.0928988234. The cubic root of 2099847490 is about 1280.5481640579.

The spelling of 2099847490 in words is "two billion, ninety-nine million, eight hundred forty-seven thousand, four hundred ninety".