4135442643 has 24 divisors (see below), whose sum is σ = 6038414928. Its totient is φ = 2727122112.

The previous prime is 4135442629. The next prime is 4135442651. The reversal of 4135442643 is 3462445314.

4135442643 is a `hidden beast` number, since 4 + 1 + 3 + 5 + 4 + 4 + 2 + 643 = 666.

It is not a de Polignac number, because 4135442643 - 2⁵ = 4135442611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4135442598 and 4135442607.

It is not an unprimeable number, because it can be changed into a prime (4135442693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314305 + ... + 327197.

It is an arithmetic number, because the mean of its divisors is an integer number (251600622).

Almost surely, 2^4135442643 is an apocalyptic number.

4135442643 is a deficient number, since it is larger than the sum of its proper divisors (1902972285).

4135442643 is a wasteful number, since it uses less digits than its factorization.

4135442643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283 (or 13280 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 4135442643 is about 64307.4073727125. The cubic root of 4135442643 is about 1605.1193634115.

Adding to 4135442643 its reverse (3462445314), we get a palindrome (7597887957).

The spelling of 4135442643 in words is "four billion, one hundred thirty-five million, four hundred forty-two thousand, six hundred forty-three".