19369842496 has 14 divisors (see below), whose sum is σ = 38437031330. Its totient is φ = 9684921216.

The previous prime is 19369842491. The next prime is 19369842497. The reversal of 19369842496 is 69424896391.

It can be written as a sum of positive squares in only one way, i.e., 16657516096 + 2712326400 = 129064^2 + 52080^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19369842491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151326831 + ... + 151326958.

Almost surely, 2^19369842496 is an apocalyptic number.

19369842496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19369842496 is a deficient number, since it is larger than the sum of its proper divisors (19067188834).

19369842496 is an equidigital number, since it uses as much as digits as its factorization.

19369842496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302653801 (or 302653791 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 61.

The spelling of 19369842496 in words is "nineteen billion, three hundred sixty-nine million, eight hundred forty-two thousand, four hundred ninety-six".