42543432435 has 48 divisors (see below), whose sum is σ = 79229870496. Its totient is φ = 19436884992.

The previous prime is 42543432427. The next prime is 42543432457. The reversal of 42543432435 is 53423434524.

It is not a de Polignac number, because 42543432435 - 2³ = 42543432427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42543432393 and 42543432402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1289809 + ... + 1322381.

It is an arithmetic number, because the mean of its divisors is an integer number (1650622302).

Almost surely, 2^42543432435 is an apocalyptic number.

42543432435 is a deficient number, since it is larger than the sum of its proper divisors (36686438061).

42543432435 is a wasteful number, since it uses less digits than its factorization.

42543432435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34372 (or 34365 counting only the distinct ones).

The product of its digits is 691200, while the sum is 39.

Adding to 42543432435 its reverse (53423434524), we get a palindrome (95966866959).

The spelling of 42543432435 in words is "forty-two billion, five hundred forty-three million, four hundred thirty-two thousand, four hundred thirty-five".