189705359042 has 16 divisors (see below), whose sum is σ = 294929990520. Its totient is φ = 91442400768.

The previous prime is 189705359033. The next prime is 189705359069. The reversal of 189705359042 is 240953507981.

It can be written as a sum of positive squares in 4 ways, for example, as 189208470361 + 496888681 = 434981^2 + 22291^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11751503 + ... + 11767634.

Almost surely, 2^189705359042 is an apocalyptic number.

189705359042 is a deficient number, since it is larger than the sum of its proper divisors (105224631478).

189705359042 is a wasteful number, since it uses less digits than its factorization.

189705359042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23519285.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 189705359042 in words is "one hundred eighty-nine billion, seven hundred five million, three hundred fifty-nine thousand, forty-two".