2899999999 has 4 divisors (see below), whose sum is σ = 3123076936. Its totient is φ = 2676923064.

The previous prime is 2899999957. The next prime is 2900000017. The reversal of 2899999999 is 9999999982.

It is a happy number.

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 2899999999 - 2²⁵ = 2866445567 is a prime.

It is a Duffinian number.

2899999999 is a modest number, since divided by 99999 gives 28999 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2899999699) 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, 111538449 + ... + 111538474.

It is an arithmetic number, because the mean of its divisors is an integer number (780769234).

Almost surely, 2^2899999999 is an apocalyptic number.

2899999999 is a deficient number, since it is larger than the sum of its proper divisors (223076937).

2899999999 is a wasteful number, since it uses less digits than its factorization.

2899999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223076936.

The product of its digits is 688747536, while the sum is 82.

The square root of 2899999999 is about 53851.6480620603. The cubic root of 2899999999 is about 1426.0431469785.

It can be divided in two parts, 28 and 99999999, that multiplied together give a palindrome (2799999972).

The spelling of 2899999999 in words is "two billion, eight hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".