19723024982 has 16 divisors (see below), whose sum is σ = 29978998560. Its totient is φ = 9730888128.

The previous prime is 19723024933. The next prime is 19723025017. The reversal of 19723024982 is 28942032791.

It is a happy number.

It is a super-2 number, since 2×19723024982² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 169757 + ... + 261272.

It is an arithmetic number, because the mean of its divisors is an integer number (1873687410).

Almost surely, 2^19723024982 is an apocalyptic number.

19723024982 is a deficient number, since it is larger than the sum of its proper divisors (10255973578).

19723024982 is a wasteful number, since it uses less digits than its factorization.

19723024982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431335.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 19723024982 in words is "nineteen billion, seven hundred twenty-three million, twenty-four thousand, nine hundred eighty-two".