2099641154 has 16 divisors (see below), whose sum is σ = 3402788928. Its totient is φ = 965904912.

The previous prime is 2099641153. The next prime is 2099641157. The reversal of 2099641154 is 4511469902.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2099641153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123542 + ... + 139505.

It is an arithmetic number, because the mean of its divisors is an integer number (212674308).

Almost surely, 2^2099641154 is an apocalyptic number.

2099641154 is a deficient number, since it is larger than the sum of its proper divisors (1303147774).

2099641154 is a wasteful number, since it uses less digits than its factorization.

2099641154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263369.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2099641154 is about 45821.8414514301. The cubic root of 2099641154 is about 1280.5062194497.

The spelling of 2099641154 in words is "two billion, ninety-nine million, six hundred forty-one thousand, one hundred fifty-four".