189019274882 has 16 divisors (see below), whose sum is σ = 285358541760. Its totient is φ = 93899861328.

The previous prime is 189019274881. The next prime is 189019274959. The reversal of 189019274882 is 288472910981.

It is a super-2 number, since 2×189019274882² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189019274881) 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, 6311219 + ... + 6341097.

It is an arithmetic number, because the mean of its divisors is an integer number (17834908860).

Almost surely, 2^189019274882 is an apocalyptic number.

189019274882 is a deficient number, since it is larger than the sum of its proper divisors (96339266878).

189019274882 is a wasteful number, since it uses less digits than its factorization.

189019274882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50185.

The product of its (nonzero) digits is 4644864, while the sum is 59.

The spelling of 189019274882 in words is "one hundred eighty-nine billion, nineteen million, two hundred seventy-four thousand, eight hundred eighty-two".