42855867203 has 4 divisors (see below), whose sum is σ = 43495507080. Its totient is φ = 42216227328.

The previous prime is 42855867193. The next prime is 42855867209. The reversal of 42855867203 is 30276855824.

42855867203 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 a de Polignac number, because none of the positive numbers 2^k-42855867203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42855867209) 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, 319819838 + ... + 319819971.

It is an arithmetic number, because the mean of its divisors is an integer number (10873876770).

Almost surely, 2^42855867203 is an apocalyptic number.

42855867203 is a deficient number, since it is larger than the sum of its proper divisors (639639877).

42855867203 is an equidigital number, since it uses as much as digits as its factorization.

42855867203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639639876.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 42855867203 in words is "forty-two billion, eight hundred fifty-five million, eight hundred sixty-seven thousand, two hundred three".