4128513912 has 48 divisors (see below), whose sum is σ = 11184894240. Its totient is φ = 1375740288.

The previous prime is 4128513911. The next prime is 4128513923. The reversal of 4128513912 is 2193158214.

4128513912 is a `hidden beast` number, since 4 + 128 + 513 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128513911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292113 + ... + 305919.

It is an arithmetic number, because the mean of its divisors is an integer number (233018630).

Almost surely, 2^4128513912 is an apocalyptic number.

It is an amenable number.

4128513912 is an abundant number, since it is smaller than the sum of its proper divisors (7056380328).

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

4128513912 is a wasteful number, since it uses less digits than its factorization.

4128513912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17972 (or 17965 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 4128513912 is about 64253.5128378208. The cubic root of 4128513912 is about 1604.2224294205. Note that the first 3 decimals are identical.

The spelling of 4128513912 in words is "four billion, one hundred twenty-eight million, five hundred thirteen thousand, nine hundred twelve".