189691419110 has 8 divisors (see below), whose sum is σ = 341444554416. Its totient is φ = 75876567640.

The previous prime is 189691419109. The next prime is 189691419121. The reversal of 189691419110 is 11914196981.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9484570946 + ... + 9484570965.

It is an arithmetic number, because the mean of its divisors is an integer number (42680569302).

Almost surely, 2^189691419110 is an apocalyptic number.

189691419110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189691419110 is a deficient number, since it is larger than the sum of its proper divisors (151753135306).

189691419110 is a wasteful number, since it uses less digits than its factorization.

189691419110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18969141918.

The product of its (nonzero) digits is 139968, while the sum is 50.

The spelling of 189691419110 in words is "one hundred eighty-nine billion, six hundred ninety-one million, four hundred nineteen thousand, one hundred ten".