2812899329 has 4 divisors (see below), whose sum is σ = 2825291184. Its totient is φ = 2800507476.

The previous prime is 2812899317. The next prime is 2812899343. The reversal of 2812899329 is 9239982182.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9239982182 = 2 ⋅4619991091.

It is a cyclic number.

It is not a de Polignac number, because 2812899329 - 2¹² = 2812895233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2812898329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6195587 + ... + 6196040.

It is an arithmetic number, because the mean of its divisors is an integer number (706322796).

Almost surely, 2^2812899329 is an apocalyptic number.

It is an amenable number.

2812899329 is a deficient number, since it is larger than the sum of its proper divisors (12391855).

2812899329 is a wasteful number, since it uses less digits than its factorization.

2812899329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391854.

The product of its digits is 1119744, while the sum is 53.

The square root of 2812899329 is about 53036.7733652793. The cubic root of 2812899329 is about 1411.6208460225.

The spelling of 2812899329 in words is "two billion, eight hundred twelve million, eight hundred ninety-nine thousand, three hundred twenty-nine".