42833987983 has 4 divisors (see below), whose sum is σ = 43249852048. Its totient is φ = 42418123920.

The previous prime is 42833987971. The next prime is 42833988073. The reversal of 42833987983 is 38978933824.

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 42833987983 - 2¹⁷ = 42833856911 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 (42833987953) 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, 207931878 + ... + 207932083.

It is an arithmetic number, because the mean of its divisors is an integer number (10812463012).

Almost surely, 2^42833987983 is an apocalyptic number.

42833987983 is a deficient number, since it is larger than the sum of its proper divisors (415864065).

42833987983 is a wasteful number, since it uses less digits than its factorization.

42833987983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415864064.

The product of its digits is 62705664, while the sum is 64.

The spelling of 42833987983 in words is "forty-two billion, eight hundred thirty-three million, nine hundred eighty-seven thousand, nine hundred eighty-three".