19884542853 has 48 divisors (see below), whose sum is σ = 32489963520. Its totient is φ = 10756144224.

The previous prime is 19884542851. The next prime is 19884542857. The reversal of 19884542853 is 35824548891.

It is not a de Polignac number, because 19884542853 - 2¹ = 19884542851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 19884542793 and 19884542802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19884542851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5547900 + ... + 5551482.

It is an arithmetic number, because the mean of its divisors is an integer number (676874240).

Almost surely, 2^19884542853 is an apocalyptic number.

It is an amenable number.

19884542853 is a deficient number, since it is larger than the sum of its proper divisors (12605420667).

19884542853 is a wasteful number, since it uses less digits than its factorization.

19884542853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606 (or 5599 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 57.

The spelling of 19884542853 in words is "nineteen billion, eight hundred eighty-four million, five hundred forty-two thousand, eight hundred fifty-three".