189074371922 has 18 divisors (see below), whose sum is σ = 284749738479. Its totient is φ = 94159306560.

The previous prime is 189074371873. The next prime is 189074371973. The reversal of 189074371922 is 229173470981.

189074371922 is digitally balanced in base 2, 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 5 ways, for example, as 73957346401 + 115117025521 = 271951^2 + 339289^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=307469.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 214612922 + ... + 214613802.

Almost surely, 2^189074371922 is an apocalyptic number.

189074371922 is a deficient number, since it is larger than the sum of its proper divisors (95675366557).

189074371922 is an frugal number, since it uses more digits than its factorization.

189074371922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 189074371922 in words is "one hundred eighty-nine billion, seventy-four million, three hundred seventy-one thousand, nine hundred twenty-two".