42043432535 has 16 divisors (see below), whose sum is σ = 55596614304. Its totient is φ = 30325421952.

The previous prime is 42043432511. The next prime is 42043432601. The reversal of 42043432535 is 53523434024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42043432535 - 2⁶ = 42043432471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42043432495 and 42043432504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7518392 + ... + 7523981.

It is an arithmetic number, because the mean of its divisors is an integer number (3474788394).

Almost surely, 2^42043432535 is an apocalyptic number.

42043432535 is a deficient number, since it is larger than the sum of its proper divisors (13553181769).

42043432535 is a wasteful number, since it uses less digits than its factorization.

42043432535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15042434.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 42043432535 its reverse (53523434024), we get a palindrome (95566866559).

The spelling of 42043432535 in words is "forty-two billion, forty-three million, four hundred thirty-two thousand, five hundred thirty-five".