19142937019 has 8 divisors (see below), whose sum is σ = 20152365840. Its totient is φ = 18133698816.

The previous prime is 19142937017. The next prime is 19142937067. The reversal of 19142937019 is 91073924191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19142937019 - 2¹ = 19142937017 is a prime.

It is a super-3 number, since 3×19142937019³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19142937019.

It is not an unprimeable number, because it can be changed into a prime (19142937017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188559 + ... + 271735.

It is an arithmetic number, because the mean of its divisors is an integer number (2519045730).

Almost surely, 2^19142937019 is an apocalyptic number.

19142937019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

19142937019 is a deficient number, since it is larger than the sum of its proper divisors (1009428821).

19142937019 is a wasteful number, since it uses less digits than its factorization.

19142937019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95309.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 19142937019 in words is "nineteen billion, one hundred forty-two million, nine hundred thirty-seven thousand, nineteen".