189838182019 has 8 divisors (see below), whose sum is σ = 191659627440. Its totient is φ = 188017611936.

The previous prime is 189838181947. The next prime is 189838182029. The reversal of 189838182019 is 910281838981.

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

It is a cyclic number.

It is not a de Polignac number, because 189838182019 - 2¹⁷ = 189838050947 is a prime.

It is a super-2 number, since 2×189838182019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189838182029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221217 + ... + 654685.

It is an arithmetic number, because the mean of its divisors is an integer number (23957453430).

Almost surely, 2^189838182019 is an apocalyptic number.

189838182019 is a deficient number, since it is larger than the sum of its proper divisors (1821445421).

189838182019 is a wasteful number, since it uses less digits than its factorization.

189838182019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437669.

The product of its (nonzero) digits is 1990656, while the sum is 58.

The spelling of 189838182019 in words is "one hundred eighty-nine billion, eight hundred thirty-eight million, one hundred eighty-two thousand, nineteen".