189285486044 has 6 divisors (see below), whose sum is σ = 331249600584. Its totient is φ = 94642743020.

The previous prime is 189285486029. The next prime is 189285486149. The reversal of 189285486044 is 440684582981.

It is a super-3 number, since 3×189285486044³ (a number of 35 digits) contains 333 as substring.

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, 23660685752 + ... + 23660685759.

It is an arithmetic number, because the mean of its divisors is an integer number (55208266764).

Almost surely, 2^189285486044 is an apocalyptic number.

It is an amenable number.

189285486044 is a deficient number, since it is larger than the sum of its proper divisors (141964114540).

189285486044 is a wasteful number, since it uses less digits than its factorization.

189285486044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47321371515 (or 47321371513 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 59.

The spelling of 189285486044 in words is "one hundred eighty-nine billion, two hundred eighty-five million, four hundred eighty-six thousand, forty-four".