189148773724 has 24 divisors (see below), whose sum is σ = 332308247040. Its totient is φ = 94204207104.

The previous prime is 189148773719. The next prime is 189148773731. The reversal of 189148773724 is 427377841981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097832 + ... + 1258384.

It is an arithmetic number, because the mean of its divisors is an integer number (13846176960).

Almost surely, 2^189148773724 is an apocalyptic number.

It is an amenable number.

189148773724 is a deficient number, since it is larger than the sum of its proper divisors (143159473316).

189148773724 is a wasteful number, since it uses less digits than its factorization.

189148773724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161709 (or 161707 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 61.

The spelling of 189148773724 in words is "one hundred eighty-nine billion, one hundred forty-eight million, seven hundred seventy-three thousand, seven hundred twenty-four".