19376375868 has 72 divisors (see below), whose sum is σ = 50891939280. Its totient is φ = 6208527360.

The previous prime is 19376375861. The next prime is 19376375881. The reversal of 19376375868 is 86857367391.

19376375868 is a `hidden beast` number, since 19 + 3 + 7 + 6 + 37 + 586 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19376375861) 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 23 ways as a sum of consecutive naturals, for example, 196108 + ... + 277868.

It is an arithmetic number, because the mean of its divisors is an integer number (706832490).

Almost surely, 2^19376375868 is an apocalyptic number.

19376375868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19376375868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25445969640).

19376375868 is an abundant number, since it is smaller than the sum of its proper divisors (31515563412).

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

19376375868 is a wasteful number, since it uses less digits than its factorization.

19376375868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82027 (or 82022 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 19376375868 in words is "nineteen billion, three hundred seventy-six million, three hundred seventy-five thousand, eight hundred sixty-eight".