4128794937 has 20 divisors (see below), whose sum is σ = 6169436196. Its totient is φ = 2751757920.

The previous prime is 4128794921. The next prime is 4128794951. The reversal of 4128794937 is 7394978214.

4128794937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2990339856 + 1138455081 = 54684^2 + 33741^2 .

It is not a de Polignac number, because 4128794937 - 2⁴ = 4128794921 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4128794237) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 545503 + ... + 553019.

Almost surely, 2^4128794937 is an apocalyptic number.

It is an amenable number.

4128794937 is a deficient number, since it is larger than the sum of its proper divisors (2040641259).

4128794937 is an equidigital number, since it uses as much as digits as its factorization.

4128794937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14310 (or 14301 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 4128794937 is about 64255.6996460236. The cubic root of 4128794937 is about 1604.2588280205.

The spelling of 4128794937 in words is "four billion, one hundred twenty-eight million, seven hundred ninety-four thousand, nine hundred thirty-seven".