19142999568 has 360 divisors, whose sum is σ = 69803907264. Its totient is φ = 4971352320.

The previous prime is 19142999539. The next prime is 19142999569. The reversal of 19142999568 is 86599924191.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (19142999569) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3290230 + ... + 3296042.

Almost surely, 2^19142999568 is an apocalyptic number.

19142999568 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 19142999568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34901953632).

19142999568 is an abundant number, since it is smaller than the sum of its proper divisors (50660907696).

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

19142999568 is a wasteful number, since it uses less digits than its factorization.

19142999568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865 (or 5836 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 63.

The spelling of 19142999568 in words is "nineteen billion, one hundred forty-two million, nine hundred ninety-nine thousand, five hundred sixty-eight".