19408325945 has 8 divisors (see below), whose sum is σ = 23300871936. Its totient is φ = 15519406896.

The previous prime is 19408325933. The next prime is 19408325971. The reversal of 19408325945 is 54952380491.

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

It is a cyclic number.

It is not a de Polignac number, because 19408325945 - 2¹⁴ = 19408309561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19408325893 and 19408325902.

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, 894947 + ... + 916376.

It is an arithmetic number, because the mean of its divisors is an integer number (2912608992).

Almost surely, 2^19408325945 is an apocalyptic number.

It is an amenable number.

19408325945 is a deficient number, since it is larger than the sum of its proper divisors (3892545991).

19408325945 is a wasteful number, since it uses less digits than its factorization.

19408325945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813471.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 19408325945 in words is "nineteen billion, four hundred eight million, three hundred twenty-five thousand, nine hundred forty-five".