42883855081 has 4 divisors (see below), whose sum is σ = 42941572992. Its totient is φ = 42826137172.

The previous prime is 42883855043. The next prime is 42883855117. The reversal of 42883855081 is 18055838824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42883855081 - 2⁹ = 42883854569 is a prime.

It is a super-2 number, since 2×42883855081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42883895081) 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, 28857841 + ... + 28859326.

It is an arithmetic number, because the mean of its divisors is an integer number (10735393248).

Almost surely, 2^42883855081 is an apocalyptic number.

It is an amenable number.

42883855081 is a deficient number, since it is larger than the sum of its proper divisors (57717911).

42883855081 is an equidigital number, since it uses as much as digits as its factorization.

42883855081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57717910.

The product of its (nonzero) digits is 2457600, while the sum is 52.

The spelling of 42883855081 in words is "forty-two billion, eight hundred eighty-three million, eight hundred fifty-five thousand, eighty-one".