19344442593445 has 8 divisors (see below), whose sum is σ = 23493009800736. Its totient is φ = 15289101615696.

The previous prime is 19344442593401. The next prime is 19344442593457. The reversal of 19344442593445 is 54439524444391.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19344442593445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23306556927 + ... + 23306557756.

It is an arithmetic number, because the mean of its divisors is an integer number (2936626225092).

Almost surely, 2^{19344442593445} is an apocalyptic number.

It is an amenable number.

19344442593445 is a deficient number, since it is larger than the sum of its proper divisors (4148567207291).

19344442593445 is an equidigital number, since it uses as much as digits as its factorization.

19344442593445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46613114771.

The product of its digits is 149299200, while the sum is 61.

The spelling of 19344442593445 in words is "nineteen trillion, three hundred forty-four billion, four hundred forty-two million, five hundred ninety-three thousand, four hundred forty-five".