19924630889 has 16 divisors (see below), whose sum is σ = 20329094016. Its totient is φ = 19525584000.

The previous prime is 19924630867. The next prime is 19924630903. The reversal of 19924630889 is 98803642991.

It is a cyclic number.

It is not a de Polignac number, because 19924630889 - 2⁸ = 19924630633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19924630189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3431789 + ... + 3437589.

It is an arithmetic number, because the mean of its divisors is an integer number (1270568376).

Almost surely, 2^19924630889 is an apocalyptic number.

It is an amenable number.

19924630889 is a deficient number, since it is larger than the sum of its proper divisors (404463127).

19924630889 is a wasteful number, since it uses less digits than its factorization.

19924630889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256.

The product of its (nonzero) digits is 6718464, while the sum is 59.

The spelling of 19924630889 in words is "nineteen billion, nine hundred twenty-four million, six hundred thirty thousand, eight hundred eighty-nine".