19432465481484 has 144 divisors (see below), whose sum is σ = 54864505253376. Its totient is φ = 5748816585600.

The previous prime is 19432465481449. The next prime is 19432465481551. The reversal of 19432465481484 is 48418456423491.

It is a happy number.

19432465481484 is a `hidden beast` number, since 1 + 9 + 4 + 3 + 2 + 4 + 6 + 548 + 1 + 4 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6073999 + ... + 8703929.

It is an arithmetic number, because the mean of its divisors is an integer number (381003508704).

Almost surely, 2^{19432465481484} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19432465481484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27432252626688).

19432465481484 is an abundant number, since it is smaller than the sum of its proper divisors (35432039771892).

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

19432465481484 is a wasteful number, since it uses less digits than its factorization.

19432465481484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630396 (or 2630391 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 63.

The spelling of 19432465481484 in words is "nineteen trillion, four hundred thirty-two billion, four hundred sixty-five million, four hundred eighty-one thousand, four hundred eighty-four".