2129034556 has 12 divisors (see below), whose sum is σ = 4064520600. Its totient is φ = 967742960.

The previous prime is 2129034547. The next prime is 2129034599. The reversal of 2129034556 is 6554309212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24193531 + ... + 24193618.

It is an arithmetic number, because the mean of its divisors is an integer number (338710050).

Almost surely, 2^2129034556 is an apocalyptic number.

It is an amenable number.

2129034556 is a deficient number, since it is larger than the sum of its proper divisors (1935486044).

2129034556 is a wasteful number, since it uses less digits than its factorization.

2129034556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48387164 (or 48387162 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 2129034556 is about 46141.4624388955. The cubic root of 2129034556 is about 1286.4539263949.

The spelling of 2129034556 in words is "two billion, one hundred twenty-nine million, thirty-four thousand, five hundred fifty-six".