19044904745 has 8 divisors (see below), whose sum is σ = 23175771840. Its totient is φ = 15021333040.

The previous prime is 19044904727. The next prime is 19044904757. The reversal of 19044904745 is 54740944091.

It is a happy number.

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

It is not a de Polignac number, because 19044904745 - 2²⁸ = 18776469289 is a prime.

It is a super-2 number, since 2×19044904745² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19044904745.

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, 26823455 + ... + 26824164.

It is an arithmetic number, because the mean of its divisors is an integer number (2896971480).

Almost surely, 2^19044904745 is an apocalyptic number.

It is an amenable number.

19044904745 is a deficient number, since it is larger than the sum of its proper divisors (4130867095).

19044904745 is an equidigital number, since it uses as much as digits as its factorization.

19044904745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53647695.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 19044904745 in words is "nineteen billion, forty-four million, nine hundred four thousand, seven hundred forty-five".