189259448852 has 24 divisors (see below), whose sum is σ = 351008199360. Its totient is φ = 88981600640.

The previous prime is 189259448789. The next prime is 189259448857. The reversal of 189259448852 is 258844952981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189259448857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201352 + ... + 1349727.

It is an arithmetic number, because the mean of its divisors is an integer number (14625341640).

Almost surely, 2^189259448852 is an apocalyptic number.

It is an amenable number.

189259448852 is a deficient number, since it is larger than the sum of its proper divisors (161748750508).

189259448852 is a wasteful number, since it uses less digits than its factorization.

189259448852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552191 (or 2552189 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 65.

The spelling of 189259448852 in words is "one hundred eighty-nine billion, two hundred fifty-nine million, four hundred forty-eight thousand, eight hundred fifty-two".