189069539472 has 320 divisors, whose sum is σ = 633929068800. Its totient is φ = 53315665920.

The previous prime is 189069539459. The next prime is 189069539537. The reversal of 189069539472 is 274935960981.

189069539472 is a `hidden beast` number, since 1 + 8 + 90 + 6 + 9 + 539 + 4 + 7 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7176628 + ... + 7202924.

It is an arithmetic number, because the mean of its divisors is an integer number (1981028340).

It is a 1-persistent number, because it is pandigital, but 2⋅189069539472 = 378139078944 is not.

Almost surely, 2^189069539472 is an apocalyptic number.

189069539472 is a gapful number since it is divisible by the number (12) 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 189069539472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316964534400).

189069539472 is an abundant number, since it is smaller than the sum of its proper divisors (444859529328).

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

189069539472 is a wasteful number, since it uses less digits than its factorization.

189069539472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26431 (or 26419 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 189069539472 in words is "one hundred eighty-nine billion, sixty-nine million, five hundred thirty-nine thousand, four hundred seventy-two".