2869686829 has 12 divisors (see below), whose sum is σ = 2948559516. Its totient is φ = 2792856192.

The previous prime is 2869686823. The next prime is 2869686847. The reversal of 2869686829 is 9286869682.

It can be written as a sum of positive squares in 2 ways, for example, as 2552775625 + 316911204 = 50525^2 + 17802^2 .

It is not a de Polignac number, because 2869686829 - 2⁵ = 2869686797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869686823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539109 + ... + 544405.

It is an arithmetic number, because the mean of its divisors is an integer number (245713293).

Almost surely, 2^2869686829 is an apocalyptic number.

It is an amenable number.

2869686829 is a deficient number, since it is larger than the sum of its proper divisors (78872687).

2869686829 is an equidigital number, since it uses as much as digits as its factorization.

2869686829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676 (or 5633 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 64.

The square root of 2869686829 is about 53569.4579868044. The cubic root of 2869686829 is about 1421.0570105540.

The spelling of 2869686829 in words is "two billion, eight hundred sixty-nine million, six hundred eighty-six thousand, eight hundred twenty-nine".