19553491848 has 64 divisors (see below), whose sum is σ = 53355597120. Its totient is φ = 5922201600.

The previous prime is 19553491819. The next prime is 19553491897. The reversal of 19553491848 is 84819435591.

It is a happy 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 in 15 ways as a sum of consecutive naturals, for example, 514128 + ... + 550848.

It is an arithmetic number, because the mean of its divisors is an integer number (833681205).

Almost surely, 2^19553491848 is an apocalyptic number.

It is an amenable number.

19553491848 is an abundant number, since it is smaller than the sum of its proper divisors (33802105272).

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

19553491848 is a wasteful number, since it uses less digits than its factorization.

19553491848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38758 (or 38754 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 57.

The spelling of 19553491848 in words is "nineteen billion, five hundred fifty-three million, four hundred ninety-one thousand, eight hundred forty-eight".