189642996982 has 8 divisors (see below), whose sum is σ = 285706699200. Its totient is φ = 94407430584.

The previous prime is 189642996967. The next prime is 189642996989. The reversal of 189642996982 is 289699246981.

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

It is a super-2 number, since 2×189642996982² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189642996989) 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, 207033382 + ... + 207034297.

It is an arithmetic number, because the mean of its divisors is an integer number (35713337400).

Almost surely, 2^189642996982 is an apocalyptic number.

189642996982 is a deficient number, since it is larger than the sum of its proper divisors (96063702218).

189642996982 is a wasteful number, since it uses less digits than its factorization.

189642996982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414067910.

The product of its digits is 241864704, while the sum is 73.

The spelling of 189642996982 in words is "one hundred eighty-nine billion, six hundred forty-two million, nine hundred ninety-six thousand, nine hundred eighty-two".