2129159424 has 144 divisors (see below), whose sum is σ = 6857440128. Its totient is φ = 572522496.

The previous prime is 2129159401. The next prime is 2129159443. The reversal of 2129159424 is 4249519212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79744 + ... + 103040.

It is an arithmetic number, because the mean of its divisors is an integer number (47621112).

Almost surely, 2^2129159424 is an apocalyptic number.

2129159424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129159424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3428720064).

2129159424 is an abundant number, since it is smaller than the sum of its proper divisors (4728280704).

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

2129159424 is a wasteful number, since it uses less digits than its factorization.

2129159424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23340 (or 23326 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 2129159424 is about 46142.8155187782. The cubic root of 2129159424 is about 1286.4790761024.

The spelling of 2129159424 in words is "two billion, one hundred twenty-nine million, one hundred fifty-nine thousand, four hundred twenty-four".