4326611643 has 12 divisors (see below), whose sum is σ = 6250138128. Its totient is φ = 2884136400.

The previous prime is 4326611629. The next prime is 4326611671. The reversal of 4326611643 is 3461166234.

4326611643 is a `hidden beast` number, since 4 + 3 + 2 + 6 + 6 + 1 + 1 + 643 = 666.

It is not a de Polignac number, because 4326611643 - 2⁶ = 4326611579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4326611598 and 4326611607.

It is not an unprimeable number, because it can be changed into a prime (4326611603) 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, 139618 + ... + 167768.

It is an arithmetic number, because the mean of its divisors is an integer number (520844844).

Almost surely, 2^4326611643 is an apocalyptic number.

4326611643 is a deficient number, since it is larger than the sum of its proper divisors (1923526485).

4326611643 is a wasteful number, since it uses less digits than its factorization.

4326611643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45234 (or 45231 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 4326611643 is about 65776.9841433917. The cubic root of 4326611643 is about 1629.4810149724.

Adding to 4326611643 its reverse (3461166234), we get a palindrome (7787777877).

The spelling of 4326611643 in words is "four billion, three hundred twenty-six million, six hundred eleven thousand, six hundred forty-three".