19425001925 has 24 divisors (see below), whose sum is σ = 27666384000. Its totient is φ = 13253042880.

The previous prime is 19425001903. The next prime is 19425001927. The reversal of 19425001925 is 52910052491.

It is not a de Polignac number, because 19425001925 - 2³⁰ = 18351260101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19425001927) 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 23 ways as a sum of consecutive naturals, for example, 244070 + ... + 313719.

It is an arithmetic number, because the mean of its divisors is an integer number (1152766000).

Almost surely, 2^19425001925 is an apocalyptic number.

It is an amenable number.

19425001925 is a deficient number, since it is larger than the sum of its proper divisors (8241382075).

19425001925 is a wasteful number, since it uses less digits than its factorization.

19425001925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558005 (or 558000 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 19425001925 in words is "nineteen billion, four hundred twenty-five million, one thousand, nine hundred twenty-five".