19842081632 has 48 divisors (see below), whose sum is σ = 39409058304. Its totient is φ = 9833616000.

The previous prime is 19842081599. The next prime is 19842081673. The reversal of 19842081632 is 23618024891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4319657 + ... + 4324247.

It is an arithmetic number, because the mean of its divisors is an integer number (821022048).

Almost surely, 2^19842081632 is an apocalyptic number.

It is an amenable number.

19842081632 is a deficient number, since it is larger than the sum of its proper divisors (19566976672).

19842081632 is a wasteful number, since it uses less digits than its factorization.

19842081632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 19842081632 in words is "nineteen billion, eight hundred forty-two million, eighty-one thousand, six hundred thirty-two".