19949603330 has 64 divisors (see below), whose sum is σ = 37323866880. Its totient is φ = 7672414464.

The previous prime is 19949603327. The next prime is 19949603339. The reversal of 19949603330 is 3330694991.

It is not an unprimeable number, because it can be changed into a prime (19949603339) 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 31 ways as a sum of consecutive naturals, for example, 12413387 + ... + 12414993.

It is an arithmetic number, because the mean of its divisors is an integer number (583185420).

Almost surely, 2^19949603330 is an apocalyptic number.

19949603330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19949603330 is a deficient number, since it is larger than the sum of its proper divisors (17374263550).

19949603330 is a wasteful number, since it uses less digits than its factorization.

19949603330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 19949603330 in words is "nineteen billion, nine hundred forty-nine million, six hundred three thousand, three hundred thirty".