189928254944 has 12 divisors (see below), whose sum is σ = 373921251984. Its totient is φ = 94964127456.

The previous prime is 189928254937. The next prime is 189928254953. The reversal of 189928254944 is 449452829981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2967628952 + ... + 2967629015.

It is an arithmetic number, because the mean of its divisors is an integer number (31160104332).

Almost surely, 2^189928254944 is an apocalyptic number.

It is an amenable number.

189928254944 is a deficient number, since it is larger than the sum of its proper divisors (183992997040).

189928254944 is an equidigital number, since it uses as much as digits as its factorization.

189928254944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935257977 (or 5935257969 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 65.

The spelling of 189928254944 in words is "one hundred eighty-nine billion, nine hundred twenty-eight million, two hundred fifty-four thousand, nine hundred forty-four".