2099999994 has 8 divisors (see below), whose sum is σ = 4200000000. Its totient is φ = 699999996.

The previous prime is 2099999989. The next prime is 2099999999. The reversal of 2099999994 is 4999999902.

It is an interprime number because it is at equal distance from previous prime (2099999989) and next prime (2099999999).

It is a sphenic number, since it is the product of 3 distinct primes.

2099999994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2099999999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174999994 + ... + 175000005.

It is an arithmetic number, because the mean of its divisors is an integer number (525000000).

Almost surely, 2^2099999994 is an apocalyptic number.

2099999994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2099999994 is a wasteful number, since it uses less digits than its factorization.

2099999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350000004.

The product of its (nonzero) digits is 38263752, while the sum is 69.

The square root of 2099999994 is about 45825.7568840930. The cubic root of 2099999994 is about 1280.5791637679.

The spelling of 2099999994 in words is "two billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-four".