189038164129 has 8 divisors (see below), whose sum is σ = 190256207400. Its totient is φ = 187822580736.

The previous prime is 189038164111. The next prime is 189038164157. The reversal of 189038164129 is 921461830981.

It can be written as a sum of positive squares in 4 ways, for example, as 8808197904 + 180229966225 = 93852^2 + 424535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189038164129 - 2¹⁵ = 189038131361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189038164229) 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, 460654 + ... + 768295.

It is an arithmetic number, because the mean of its divisors is an integer number (23782025925).

Almost surely, 2^189038164129 is an apocalyptic number.

It is an amenable number.

189038164129 is a deficient number, since it is larger than the sum of its proper divisors (1218043271).

189038164129 is a wasteful number, since it uses less digits than its factorization.

189038164129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229939.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 189038164129 in words is "one hundred eighty-nine billion, thirty-eight million, one hundred sixty-four thousand, one hundred twenty-nine".