2869643836 has 12 divisors (see below), whose sum is σ = 5183872960. Its totient is φ = 1388537280.

The previous prime is 2869643813. The next prime is 2869643839. The reversal of 2869643836 is 6383469682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869643839) 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, 11571021 + ... + 11571268.

Almost surely, 2^2869643836 is an apocalyptic number.

It is an amenable number.

2869643836 is a deficient number, since it is larger than the sum of its proper divisors (2314229124).

2869643836 is a wasteful number, since it uses less digits than its factorization.

2869643836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23142324 (or 23142322 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 55.

The square root of 2869643836 is about 53569.0567025405. The cubic root of 2869643836 is about 1421.0499138668.

The spelling of 2869643836 in words is "two billion, eight hundred sixty-nine million, six hundred forty-three thousand, eight hundred thirty-six".