4129142788 has 12 divisors (see below), whose sum is σ = 7226781660. Its totient is φ = 2064348032.

The previous prime is 4129142749. The next prime is 4129142813. The reversal of 4129142788 is 8872419214.

It can be written as a sum of positive squares in 2 ways, for example, as 3914754624 + 214388164 = 62568^2 + 14642^2 .

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, 10081 + ... + 91432.

It is an arithmetic number, because the mean of its divisors is an integer number (602231805).

Almost surely, 2^4129142788 is an apocalyptic number.

It is an amenable number.

4129142788 is a deficient number, since it is larger than the sum of its proper divisors (3097638872).

4129142788 is a wasteful number, since it uses less digits than its factorization.

4129142788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111686 (or 111684 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

The square root of 4129142788 is about 64258.4063605689. The cubic root of 4129142788 is about 1604.3038796942.

The spelling of 4129142788 in words is "four billion, one hundred twenty-nine million, one hundred forty-two thousand, seven hundred eighty-eight".