189338046669 has 160 divisors (see below), whose sum is σ = 327714076800. Its totient is φ = 108132433920.

The previous prime is 189338046659. The next prime is 189338046671. The reversal of 189338046669 is 966640833981.

It is not a de Polignac number, because 189338046669 - 2⁵ = 189338046637 is a prime.

It is a super-2 number, since 2×189338046669² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189338046629) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 194992354 + ... + 194993324.

It is an arithmetic number, because the mean of its divisors is an integer number (2048212980).

Almost surely, 2^189338046669 is an apocalyptic number.

189338046669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

189338046669 is a deficient number, since it is larger than the sum of its proper divisors (138376030131).

189338046669 is a wasteful number, since it uses less digits than its factorization.

189338046669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 189338046669 in words is "one hundred eighty-nine billion, three hundred thirty-eight million, forty-six thousand, six hundred sixty-nine".