52642221189 has 4 divisors (see below), whose sum is σ = 70189628256. Its totient is φ = 35094814124.

The previous prime is 52642221179. The next prime is 52642221193. The reversal of 52642221189 is 98112224625.

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 52642221189 - 2¹¹ = 52642219141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52642221189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642221139) 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, 8773703529 + ... + 8773703534.

It is an arithmetic number, because the mean of its divisors is an integer number (17547407064).

Almost surely, 2^52642221189 is an apocalyptic number.

It is an amenable number.

52642221189 is a deficient number, since it is larger than the sum of its proper divisors (17547407067).

52642221189 is a wasteful number, since it uses less digits than its factorization.

52642221189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17547407066.

The product of its digits is 138240, while the sum is 42.

The spelling of 52642221189 in words is "fifty-two billion, six hundred forty-two million, two hundred twenty-one thousand, one hundred eighty-nine".