19849303016 has 8 divisors (see below), whose sum is σ = 37217443170. Its totient is φ = 9924651504.

The previous prime is 19849302997. The next prime is 19849303027. The reversal of 19849303016 is 61030394891.

It can be written as a sum of positive squares in only one way, i.e., 19759924900 + 89378116 = 140570^2 + 9454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240581431 + ... + 1240581446.

Almost surely, 2^19849303016 is an apocalyptic number.

It is an amenable number.

19849303016 is a deficient number, since it is larger than the sum of its proper divisors (17368140154).

19849303016 is a wasteful number, since it uses less digits than its factorization.

19849303016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481162883 (or 2481162879 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 19849303016 in words is "nineteen billion, eight hundred forty-nine million, three hundred three thousand, sixteen".