192521384042 has 16 divisors (see below), whose sum is σ = 311265858120. Its totient is φ = 88778944512.

The previous prime is 192521384023. The next prime is 192521384047. The reversal of 192521384042 is 240483125291.

192521384042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 149969533081 + 42551850961 = 387259^2 + 206281^2 .

It is not an unprimeable number, because it can be changed into a prime (192521384047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181067 + ... + 3241022.

Almost surely, 2^192521384042 is an apocalyptic number.

192521384042 is a deficient number, since it is larger than the sum of its proper divisors (118744474078).

192521384042 is a wasteful number, since it uses less digits than its factorization.

192521384042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423257.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 192521384042 in words is "one hundred ninety-two billion, five hundred twenty-one million, three hundred eighty-four thousand, forty-two".