42833546221 has 4 divisors (see below), whose sum is σ = 42984901792. Its totient is φ = 42682190652.

The previous prime is 42833546179. The next prime is 42833546233. The reversal of 42833546221 is 12264533824.

It is a happy number.

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 42833546221 - 2²⁵ = 42799991789 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 (42833576221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75677361 + ... + 75677926.

It is an arithmetic number, because the mean of its divisors is an integer number (10746225448).

Almost surely, 2^42833546221 is an apocalyptic number.

It is an amenable number.

42833546221 is a deficient number, since it is larger than the sum of its proper divisors (151355571).

42833546221 is a wasteful number, since it uses less digits than its factorization.

42833546221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151355570.

The product of its digits is 276480, while the sum is 40.

The spelling of 42833546221 in words is "forty-two billion, eight hundred thirty-three million, five hundred forty-six thousand, two hundred twenty-one".