2099817738 has 12 divisors (see below), whose sum is σ = 4549605138. Its totient is φ = 699939240.

The previous prime is 2099817697. The next prime is 2099817739. The reversal of 2099817738 is 8377189902.

It can be written as a sum of positive squares in only one way, i.e., 1435879449 + 663938289 = 37893^2 + 25767^2 .

It is not an unprimeable number, because it can be changed into a prime (2099817739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58328253 + ... + 58328288.

Almost surely, 2^2099817738 is an apocalyptic number.

2099817738 is an abundant number, since it is smaller than the sum of its proper divisors (2449787400).

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

2099817738 is a wasteful number, since it uses less digits than its factorization.

2099817738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116656549 (or 116656546 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 2099817738 is about 45823.7682649518. The cubic root of 2099817738 is about 1280.5421161506.

The spelling of 2099817738 in words is "two billion, ninety-nine million, eight hundred seventeen thousand, seven hundred thirty-eight".