2129105043 has 24 divisors (see below), whose sum is σ = 3320658432. Its totient is φ = 1306770048.

The previous prime is 2129105039. The next prime is 2129105071. The reversal of 2129105043 is 3405019212.

It is not a de Polignac number, because 2129105043 - 2² = 2129105039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2129104998 and 2129105016.

It is not an unprimeable number, because it can be changed into a prime (2129105243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21055 + ... + 68567.

It is an arithmetic number, because the mean of its divisors is an integer number (138360768).

Almost surely, 2^2129105043 is an apocalyptic number.

2129105043 is a deficient number, since it is larger than the sum of its proper divisors (1191553389).

2129105043 is a wasteful number, since it uses less digits than its factorization.

2129105043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47915 (or 47912 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2129105043 is about 46142.2262466821. The cubic root of 2129105043 is about 1286.4681233271.

The spelling of 2129105043 in words is "two billion, one hundred twenty-nine million, one hundred five thousand, forty-three".