189409059089 has 4 divisors (see below), whose sum is σ = 189410893824. Its totient is φ = 189407224356.

The previous prime is 189409059079. The next prime is 189409059121. The reversal of 189409059089 is 980950904981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 189409059089 - 2²⁴ = 189392281873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189409059029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752657 + ... + 972270.

It is an arithmetic number, because the mean of its divisors is an integer number (47352723456).

Almost surely, 2^189409059089 is an apocalyptic number.

It is an amenable number.

189409059089 is a deficient number, since it is larger than the sum of its proper divisors (1834735).

189409059089 is a wasteful number, since it uses less digits than its factorization.

189409059089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834734.

The product of its (nonzero) digits is 8398080, while the sum is 62.

The spelling of 189409059089 in words is "one hundred eighty-nine billion, four hundred nine million, fifty-nine thousand, eighty-nine".