189018483446 has 32 divisors (see below), whose sum is σ = 324252361440. Its totient is φ = 81916337664.

The previous prime is 189018483397. The next prime is 189018483463. The reversal of 189018483446 is 644384810981.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 189018483391 and 189018483400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1637225 + ... + 1748868.

It is an arithmetic number, because the mean of its divisors is an integer number (10132886295).

Almost surely, 2^189018483446 is an apocalyptic number.

189018483446 is a deficient number, since it is larger than the sum of its proper divisors (135233877994).

189018483446 is a wasteful number, since it uses less digits than its factorization.

189018483446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386240.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 189018483446 in words is "one hundred eighty-nine billion, eighteen million, four hundred eighty-three thousand, four hundred forty-six".