42422813903 has 4 divisors (see below), whose sum is σ = 43223244408. Its totient is φ = 41622383400.

The previous prime is 42422813899. The next prime is 42422813921. The reversal of 42422813903 is 30931822424.

It is a happy number.

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 42422813903 - 2² = 42422813899 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 (42422813963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400215173 + ... + 400215278.

It is an arithmetic number, because the mean of its divisors is an integer number (10805811102).

Almost surely, 2^42422813903 is an apocalyptic number.

42422813903 is a deficient number, since it is larger than the sum of its proper divisors (800430505).

42422813903 is an equidigital number, since it uses as much as digits as its factorization.

42422813903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800430504.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 42422813903 in words is "forty-two billion, four hundred twenty-two million, eight hundred thirteen thousand, nine hundred three".