19317648605 has 8 divisors (see below), whose sum is σ = 23928958464. Its totient is φ = 14955598800.

The previous prime is 19317648599. The next prime is 19317648613. The reversal of 19317648605 is 50684671391.

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

It is not a de Polignac number, because 19317648605 - 2²⁶ = 19250539741 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, 62314841 + ... + 62315150.

It is an arithmetic number, because the mean of its divisors is an integer number (2991119808).

Almost surely, 2^19317648605 is an apocalyptic number.

It is an amenable number.

19317648605 is a deficient number, since it is larger than the sum of its proper divisors (4611309859).

19317648605 is a wasteful number, since it uses less digits than its factorization.

19317648605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124630027.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 19317648605 in words is "nineteen billion, three hundred seventeen million, six hundred forty-eight thousand, six hundred five".