189993099941 has 8 divisors (see below), whose sum is σ = 200071185600. Its totient is φ = 179922859200.

The previous prime is 189993099913. The next prime is 189993099973. The reversal of 189993099941 is 149990399981.

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 189993099941 - 2²⁶ = 189925991077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189993099991) 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, 1911476 + ... + 2008413.

It is an arithmetic number, because the mean of its divisors is an integer number (25008898200).

Almost surely, 2^189993099941 is an apocalyptic number.

It is an amenable number.

189993099941 is a deficient number, since it is larger than the sum of its proper divisors (10078085659).

189993099941 is a wasteful number, since it uses less digits than its factorization.

189993099941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922459.

The product of its (nonzero) digits is 51018336, while the sum is 71.

The spelling of 189993099941 in words is "one hundred eighty-nine billion, nine hundred ninety-three million, ninety-nine thousand, nine hundred forty-one".