19528327732 has 6 divisors (see below), whose sum is σ = 34174573538. Its totient is φ = 9764163864.

The previous prime is 19528327681. The next prime is 19528327787. The reversal of 19528327732 is 23772382591.

It can be written as a sum of positive squares in only one way, i.e., 16446523536 + 3081804196 = 128244^2 + 55514^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2441040963 + ... + 2441040970.

Almost surely, 2^19528327732 is an apocalyptic number.

It is an amenable number.

19528327732 is a deficient number, since it is larger than the sum of its proper divisors (14646245806).

19528327732 is a wasteful number, since it uses less digits than its factorization.

19528327732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882081937 (or 4882081935 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The spelling of 19528327732 in words is "nineteen billion, five hundred twenty-eight million, three hundred twenty-seven thousand, seven hundred thirty-two".