19299428616 has 128 divisors (see below), whose sum is σ = 54286848000. Its totient is φ = 5673009408.

The previous prime is 19299428609. The next prime is 19299428641. The reversal of 19299428616 is 61682499291.

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 31 ways as a sum of consecutive naturals, for example, 9464125 + ... + 9466163.

It is an arithmetic number, because the mean of its divisors is an integer number (424116000).

Almost surely, 2^19299428616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19299428616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27143424000).

19299428616 is an abundant number, since it is smaller than the sum of its proper divisors (34987419384).

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

19299428616 is a wasteful number, since it uses less digits than its factorization.

19299428616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403 (or 3399 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The spelling of 19299428616 in words is "nineteen billion, two hundred ninety-nine million, four hundred twenty-eight thousand, six hundred sixteen".