19380908325 has 48 divisors (see below), whose sum is σ = 32224048640. Its totient is φ = 10278290880.

The previous prime is 19380908317. The next prime is 19380908329. The reversal of 19380908325 is 52380908391.

It is a happy number.

It is not a de Polignac number, because 19380908325 - 2³ = 19380908317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19380908329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18231744 + ... + 18232806.

Almost surely, 2^19380908325 is an apocalyptic number.

19380908325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19380908325 is a deficient number, since it is larger than the sum of its proper divisors (12843140315).

19380908325 is a wasteful number, since it uses less digits than its factorization.

19380908325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 19380908325 in words is "nineteen billion, three hundred eighty million, nine hundred eight thousand, three hundred twenty-five".