19125455484 has 48 divisors (see below), whose sum is σ = 45815073696. Its totient is φ = 6205977600.

The previous prime is 19125455483. The next prime is 19125455491. The reversal of 19125455484 is 48455452191.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19125455483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182314 + ... + 267374.

It is an arithmetic number, because the mean of its divisors is an integer number (954480702).

Almost surely, 2^19125455484 is an apocalyptic number.

It is an amenable number.

19125455484 is an abundant number, since it is smaller than the sum of its proper divisors (26689618212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19125455484 is a wasteful number, since it uses less digits than its factorization.

19125455484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85566 (or 85564 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 48.

The spelling of 19125455484 in words is "nineteen billion, one hundred twenty-five million, four hundred fifty-five thousand, four hundred eighty-four".