42718773899 has 4 divisors (see below), whose sum is σ = 44967130440. Its totient is φ = 40470417360.

The previous prime is 42718773883. The next prime is 42718773961. The reversal of 42718773899 is 99837781724.

42718773899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42718773899 - 2⁴ = 42718773883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42718773809) 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, 1124178242 + ... + 1124178279.

It is an arithmetic number, because the mean of its divisors is an integer number (11241782610).

Almost surely, 2^42718773899 is an apocalyptic number.

42718773899 is a deficient number, since it is larger than the sum of its proper divisors (2248356541).

42718773899 is a wasteful number, since it uses less digits than its factorization.

42718773899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248356540.

The product of its digits is 42674688, while the sum is 65.

The spelling of 42718773899 in words is "forty-two billion, seven hundred eighteen million, seven hundred seventy-three thousand, eight hundred ninety-nine".