19504648122 has 8 divisors (see below), whose sum is σ = 39009296256. Its totient is φ = 6501549372.

The previous prime is 19504648109. The next prime is 19504648123. The reversal of 19504648122 is 22184640591.

It is a sphenic number, since it is the product of 3 distinct primes.

19504648122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (19504648123) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1625387338 + ... + 1625387349.

It is an arithmetic number, because the mean of its divisors is an integer number (4876162032).

Almost surely, 2^19504648122 is an apocalyptic number.

19504648122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19504648122 is a wasteful number, since it uses less digits than its factorization.

19504648122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250774692.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 19504648122 in words is "nineteen billion, five hundred four million, six hundred forty-eight thousand, one hundred twenty-two".