4100432643 has 12 divisors (see below), whose sum is σ = 5981490528. Its totient is φ = 2706555600.

The previous prime is 4100432639. The next prime is 4100432659. The reversal of 4100432643 is 3462340014.

4100432643 is a `hidden beast` number, since 4 + 10 + 0 + 4 + 3 + 2 + 643 = 666.

4100432643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4100432643 - 2² = 4100432639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4100432603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2254555 + ... + 2256372.

It is an arithmetic number, because the mean of its divisors is an integer number (498457544).

Almost surely, 2^4100432643 is an apocalyptic number.

4100432643 is a deficient number, since it is larger than the sum of its proper divisors (1881057885).

4100432643 is a wasteful number, since it uses less digits than its factorization.

4100432643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511034 (or 4511031 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 4100432643 is about 64034.6206594526. The cubic root of 4100432643 is about 1600.5769589812.

Adding to 4100432643 its reverse (3462340014), we get a palindrome (7562772657).

It can be divided in two parts, 410043 and 2643, that added together give a triangular number (412686 = T₉₀₈).

The spelling of 4100432643 in words is "four billion, one hundred million, four hundred thirty-two thousand, six hundred forty-three".