189063963000 has 1024 divisors, whose sum is σ = 751555584000. Its totient is φ = 44089920000.

The previous prime is 189063962981. The next prime is 189063963041. The reversal of 189063963000 is 369360981.

189063963000 is a `hidden beast` number, since 1 + 8 + 9 + 0 + 6 + 3 + 9 + 630 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 697652865 + ... + 697653135.

It is an arithmetic number, because the mean of its divisors is an integer number (733941000).

Almost surely, 2^189063963000 is an apocalyptic number.

189063963000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189063963000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375777792000).

189063963000 is an abundant number, since it is smaller than the sum of its proper divisors (562491621000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189063963000 is a wasteful number, since it uses less digits than its factorization.

189063963000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 189063963000 in words is "one hundred eighty-nine billion, sixty-three million, nine hundred sixty-three thousand".