19099898496 has 160 divisors (see below), whose sum is σ = 64961376480. Its totient is φ = 5457093120.

The previous prime is 19099898491. The next prime is 19099898513. The reversal of 19099898496 is 69489899091.

It is a super-2 number, since 2×19099898496² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (19099898491) 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 in 19 ways as a sum of consecutive naturals, for example, 59010 + ... + 204161.

It is an arithmetic number, because the mean of its divisors is an integer number (406008603).

Almost surely, 2^19099898496 is an apocalyptic number.

19099898496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19099898496 is an abundant number, since it is smaller than the sum of its proper divisors (45861477984).

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

19099898496 is an equidigital number, since it uses as much as digits as its factorization.

19099898496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263204 (or 263183 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 72.

The spelling of 19099898496 in words is "nineteen billion, ninety-nine million, eight hundred ninety-eight thousand, four hundred ninety-six".