19425949504325 has 48 divisors (see below), whose sum is σ = 29692812038400. Its totient is φ = 12276980075520.

The previous prime is 19425949504319. The next prime is 19425949504333. The reversal of 19425949504325 is 52340594952491.

It is not a de Polignac number, because 19425949504325 - 2⁴ = 19425949504309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5126900 + ... + 8070749.

It is an arithmetic number, because the mean of its divisors is an integer number (618600250800).

Almost surely, 2^{19425949504325} is an apocalyptic number.

It is an amenable number.

19425949504325 is a deficient number, since it is larger than the sum of its proper divisors (10266862534075).

19425949504325 is a wasteful number, since it uses less digits than its factorization.

19425949504325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198326 (or 13198321 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 62.

The spelling of 19425949504325 in words is "nineteen trillion, four hundred twenty-five billion, nine hundred forty-nine million, five hundred four thousand, three hundred twenty-five".