2099829065 has 16 divisors (see below), whose sum is σ = 2552893200. Its totient is φ = 1657869312.

The previous prime is 2099829041. The next prime is 2099829079. The reversal of 2099829065 is 5609289902.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 611721289 + 1488107776 = 24733^2 + 38576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2099829065 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249059 + ... + 257351.

It is an arithmetic number, because the mean of its divisors is an integer number (159555825).

Almost surely, 2^2099829065 is an apocalyptic number.

It is an amenable number.

2099829065 is a deficient number, since it is larger than the sum of its proper divisors (453064135).

2099829065 is an equidigital number, since it uses as much as digits as its factorization.

2099829065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 2099829065 is about 45823.8918578507. The cubic root of 2099829065 is about 1280.5444186797.

The spelling of 2099829065 in words is "two billion, ninety-nine million, eight hundred twenty-nine thousand, sixty-five".