19933834930 has 16 divisors (see below), whose sum is σ = 35883650880. Its totient is φ = 7972923312.

The previous prime is 19933834903. The next prime is 19933834937. The reversal of 19933834930 is 3943833991.

It is not an unprimeable number, because it can be changed into a prime (19933834937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75067 + ... + 213313.

It is an arithmetic number, because the mean of its divisors is an integer number (2242728180).

Almost surely, 2^19933834930 is an apocalyptic number.

19933834930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19933834930 is a deficient number, since it is larger than the sum of its proper divisors (15949815950).

19933834930 is a wasteful number, since it uses less digits than its factorization.

19933834930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152673.

The product of its (nonzero) digits is 1889568, while the sum is 52.

The spelling of 19933834930 in words is "nineteen billion, nine hundred thirty-three million, eight hundred thirty-four thousand, nine hundred thirty".