19841107145 has 8 divisors (see below), whose sum is σ = 24110712960. Its totient is φ = 15671962800.

The previous prime is 19841107141. The next prime is 19841107177. The reversal of 19841107145 is 54170114891.

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

It is not a de Polignac number, because 19841107145 - 2² = 19841107141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19841107141) 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, 25114931 + ... + 25115720.

It is an arithmetic number, because the mean of its divisors is an integer number (3013839120).

Almost surely, 2^19841107145 is an apocalyptic number.

It is an amenable number.

19841107145 is a deficient number, since it is larger than the sum of its proper divisors (4269605815).

19841107145 is an equidigital number, since it uses as much as digits as its factorization.

19841107145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50230735.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 19841107145 in words is "nineteen billion, eight hundred forty-one million, one hundred seven thousand, one hundred forty-five".