42505788703 has 4 divisors (see below), whose sum is σ = 48578044240. Its totient is φ = 36433533168.

The previous prime is 42505788697. The next prime is 42505788707. The reversal of 42505788703 is 30788750524.

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 42505788703 - 2⁹ = 42505788191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42505788707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3036127758 + ... + 3036127771.

It is an arithmetic number, because the mean of its divisors is an integer number (12144511060).

Almost surely, 2^42505788703 is an apocalyptic number.

42505788703 is a deficient number, since it is larger than the sum of its proper divisors (6072255537).

42505788703 is an equidigital number, since it uses as much as digits as its factorization.

42505788703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072255536.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 42505788703 in words is "forty-two billion, five hundred five million, seven hundred eighty-eight thousand, seven hundred three".