189369480691 has 8 divisors (see below), whose sum is σ = 189710122320. Its totient is φ = 189029020128.

The previous prime is 189369480683. The next prime is 189369480719. The reversal of 189369480691 is 196084963981.

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 189369480691 - 2³ = 189369480683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189369480491) 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, 2142720 + ... + 2229346.

It is an arithmetic number, because the mean of its divisors is an integer number (23713765290).

Almost surely, 2^189369480691 is an apocalyptic number.

189369480691 is a deficient number, since it is larger than the sum of its proper divisors (340641629).

189369480691 is an equidigital number, since it uses as much as digits as its factorization.

189369480691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90533.

The product of its (nonzero) digits is 20155392, while the sum is 64.

The spelling of 189369480691 in words is "one hundred eighty-nine billion, three hundred sixty-nine million, four hundred eighty thousand, six hundred ninety-one".