19475382684 has 12 divisors (see below), whose sum is σ = 45442559624. Its totient is φ = 6491794224.

The previous prime is 19475382683. The next prime is 19475382721. The reversal of 19475382684 is 48628357491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19475382683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811474267 + ... + 811474290.

Almost surely, 2^19475382684 is an apocalyptic number.

It is an amenable number.

19475382684 is an abundant number, since it is smaller than the sum of its proper divisors (25967176940).

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

19475382684 is a wasteful number, since it uses less digits than its factorization.

19475382684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622948564 (or 1622948562 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 19475382684 in words is "nineteen billion, four hundred seventy-five million, three hundred eighty-two thousand, six hundred eighty-four".