42503608435 has 4 divisors (see below), whose sum is σ = 51004330128. Its totient is φ = 34002886744.

The previous prime is 42503608423. The next prime is 42503608463. The reversal of 42503608435 is 53480630524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42503608435 - 2⁷ = 42503608307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250360839 + ... + 4250360848.

It is an arithmetic number, because the mean of its divisors is an integer number (12751082532).

Almost surely, 2^42503608435 is an apocalyptic number.

42503608435 is a deficient number, since it is larger than the sum of its proper divisors (8500721693).

42503608435 is an equidigital number, since it uses as much as digits as its factorization.

42503608435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500721692.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 42503608435 in words is "forty-two billion, five hundred three million, six hundred eight thousand, four hundred thirty-five".