189237689422 has 8 divisors (see below), whose sum is σ = 283858831872. Its totient is φ = 94618078800.

The previous prime is 189237689401. The next prime is 189237689423. The reversal of 189237689422 is 224986732981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189237689423) 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, 4147 + ... + 615217.

It is an arithmetic number, because the mean of its divisors is an integer number (35482353984).

Almost surely, 2^189237689422 is an apocalyptic number.

189237689422 is a deficient number, since it is larger than the sum of its proper divisors (94621142450).

189237689422 is a wasteful number, since it uses less digits than its factorization.

189237689422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765914.

The product of its digits is 20901888, while the sum is 61.

The spelling of 189237689422 in words is "one hundred eighty-nine billion, two hundred thirty-seven million, six hundred eighty-nine thousand, four hundred twenty-two".