19450505005 has 8 divisors (see below), whose sum is σ = 23411123424. Its totient is φ = 15513392400.

The previous prime is 19450504973. The next prime is 19450505021. The reversal of 19450505005 is 50050505491.

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

It is not a de Polignac number, because 19450505005 - 2⁵ = 19450504973 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, 5874631 + ... + 5877940.

It is an arithmetic number, because the mean of its divisors is an integer number (2926390428).

Almost surely, 2^19450505005 is an apocalyptic number.

It is an amenable number.

19450505005 is a deficient number, since it is larger than the sum of its proper divisors (3960618419).

19450505005 is a wasteful number, since it uses less digits than its factorization.

19450505005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752907.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 19450505005 in words is "nineteen billion, four hundred fifty million, five hundred five thousand, five".