2869129026 has 20 divisors (see below), whose sum is σ = 6428974662. Its totient is φ = 956376288.

The previous prime is 2869129013. The next prime is 2869129027. The reversal of 2869129026 is 6209219682.

It can be written as a sum of positive squares in only one way, i.e., 2701400625 + 167728401 = 51975^2 + 12951^2 .

It is not an unprimeable number, because it can be changed into a prime (2869129027) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8855175 + ... + 8855498.

Almost surely, 2^2869129026 is an apocalyptic number.

2869129026 is an abundant number, since it is smaller than the sum of its proper divisors (3559845636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2869129026 is a wasteful number, since it uses less digits than its factorization.

2869129026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710687 (or 17710678 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 2869129026 is about 53564.2513809350. The cubic root of 2869129026 is about 1420.9649306773.

The spelling of 2869129026 in words is "two billion, eight hundred sixty-nine million, one hundred twenty-nine thousand, twenty-six".