19884248896 has 14 divisors (see below), whose sum is σ = 39457806530. Its totient is φ = 9942124416.

The previous prime is 19884248893. The next prime is 19884248897. The reversal of 19884248896 is 69884248891.

It can be written as a sum of positive squares in only one way, i.e., 13558273600 + 6325975296 = 116440^2 + 79536^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19884248893) by changing a digit.

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 as a sum of consecutive naturals, namely, 155345631 + ... + 155345758.

Almost surely, 2^19884248896 is an apocalyptic number.

19884248896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19884248896 is a deficient number, since it is larger than the sum of its proper divisors (19573557634).

19884248896 is an equidigital number, since it uses as much as digits as its factorization.

19884248896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310691401 (or 310691391 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 67.

The spelling of 19884248896 in words is "nineteen billion, eight hundred eighty-four million, two hundred forty-eight thousand, eight hundred ninety-six".