189336376384 has 63 divisors (see below), whose sum is σ = 379954344357. Its totient is φ = 93611697408.

The previous prime is 189336376261. The next prime is 189336376391. The reversal of 189336376384 is 483673633981.

It is a happy number.

The square root of 189336376384 is 435128.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 131966545984 + 57369830400 = 363272^2 + 239520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 379431367 + ... + 379431865.

It is an arithmetic number, because the mean of its divisors is an integer number (6031021339).

Almost surely, 2^189336376384 is an apocalyptic number.

189336376384 is the 435128-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189336376384

189336376384 is an abundant number, since it is smaller than the sum of its proper divisors (190617967973).

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

189336376384 is an frugal number, since it uses more digits than its factorization.

189336376384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 610 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 61.

The spelling of 189336376384 in words is "one hundred eighty-nine billion, three hundred thirty-six million, three hundred seventy-six thousand, three hundred eighty-four".