19537684104 has 32 divisors (see below), whose sum is σ = 48847680000. Its totient is φ = 6512098752.

The previous prime is 19537684093. The next prime is 19537684169. The reversal of 19537684104 is 40148673591.

It is a super-2 number, since 2×19537684104² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564697 + ... + 598295.

It is an arithmetic number, because the mean of its divisors is an integer number (1526490000).

Almost surely, 2^19537684104 is an apocalyptic number.

It is an amenable number.

19537684104 is an abundant number, since it is smaller than the sum of its proper divisors (29309995896).

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

19537684104 is a wasteful number, since it uses less digits than its factorization.

19537684104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57837 (or 57833 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 19537684104 in words is "nineteen billion, five hundred thirty-seven million, six hundred eighty-four thousand, one hundred four".