2129586042 has 16 divisors (see below), whose sum is σ = 4291686432. Its totient is φ = 704442960.

The previous prime is 2129586007. The next prime is 2129586047. The reversal of 2129586042 is 2406859212.

It is not an unprimeable number, because it can be changed into a prime (2129586047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353913 + ... + 1355484.

It is an arithmetic number, because the mean of its divisors is an integer number (268230402).

Almost surely, 2^2129586042 is an apocalyptic number.

2129586042 is an abundant number, since it is smaller than the sum of its proper divisors (2162100390).

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

2129586042 is a wasteful number, since it uses less digits than its factorization.

2129586042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709533.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2129586042 is about 46147.4380870704. The cubic root of 2129586042 is about 1286.5649939646.

The spelling of 2129586042 in words is "two billion, one hundred twenty-nine million, five hundred eighty-six thousand, forty-two".