2099291011 has 4 divisors (see below), whose sum is σ = 2099471992. Its totient is φ = 2099110032.

The previous prime is 2099290993. The next prime is 2099291071. The reversal of 2099291011 is 1101929902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2099291011 - 2⁹ = 2099290499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099291071) 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, 71805 + ... + 96718.

It is an arithmetic number, because the mean of its divisors is an integer number (524867998).

Almost surely, 2^2099291011 is an apocalyptic number.

2099291011 is a deficient number, since it is larger than the sum of its proper divisors (180981).

2099291011 is a wasteful number, since it uses less digits than its factorization.

2099291011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180980.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 2099291011 is about 45818.0205923390. The cubic root of 2099291011 is about 1280.4350350294.

The spelling of 2099291011 in words is "two billion, ninety-nine million, two hundred ninety-one thousand, eleven".