19143142419 has 16 divisors (see below), whose sum is σ = 25991274240. Its totient is φ = 12529127520.

The previous prime is 19143142391. The next prime is 19143142423. The reversal of 19143142419 is 91424134191.

It is not a de Polignac number, because 19143142419 - 2⁸ = 19143142163 is a prime.

It is a super-2 number, since 2×19143142419² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19143142019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62554 + ... + 205424.

It is an arithmetic number, because the mean of its divisors is an integer number (1624454640).

Almost surely, 2^19143142419 is an apocalyptic number.

19143142419 is a deficient number, since it is larger than the sum of its proper divisors (6848131821).

19143142419 is a wasteful number, since it uses less digits than its factorization.

19143142419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143690.

The product of its digits is 31104, while the sum is 39.

The spelling of 19143142419 in words is "nineteen billion, one hundred forty-three million, one hundred forty-two thousand, four hundred nineteen".