189329911528 has 16 divisors (see below), whose sum is σ = 355059319680. Its totient is φ = 94647426288.

The previous prime is 189329911499. The next prime is 189329911567. The reversal of 189329911528 is 825119923981.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145226 + ... + 2231737.

It is an arithmetic number, because the mean of its divisors is an integer number (22191207480).

Almost surely, 2^189329911528 is an apocalyptic number.

It is an amenable number.

189329911528 is a deficient number, since it is larger than the sum of its proper divisors (165729408152).

189329911528 is a wasteful number, since it uses less digits than its factorization.

189329911528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382376 (or 4382372 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 58.

The spelling of 189329911528 in words is "one hundred eighty-nine billion, three hundred twenty-nine million, nine hundred eleven thousand, five hundred twenty-eight".