19273327968 has 24 divisors (see below), whose sum is σ = 50592486168. Its totient is φ = 6424442624.

The previous prime is 19273327961. The next prime is 19273327981. The reversal of 19273327968 is 86972337291.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×19273327968² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19273327961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100381821 + ... + 100382012.

It is an arithmetic number, because the mean of its divisors is an integer number (2108020257).

Almost surely, 2^19273327968 is an apocalyptic number.

It is an amenable number.

19273327968 is an abundant number, since it is smaller than the sum of its proper divisors (31319158200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19273327968 is a wasteful number, since it uses less digits than its factorization.

19273327968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200763846 (or 200763838 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 57.

The spelling of 19273327968 in words is "nineteen billion, two hundred seventy-three million, three hundred twenty-seven thousand, nine hundred sixty-eight".