19142945843143 has 2 divisors, whose sum is σ = 19142945843144. Its totient is φ = 19142945843142.

The previous prime is 19142945843129. The next prime is 19142945843173. The reversal of 19142945843143 is 34134854924191.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19142945843143 is a prime.

It is a super-3 number, since 3×19142945843143³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19142945843173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9571472921571 + 9571472921572.

It is an arithmetic number, because the mean of its divisors is an integer number (9571472921572).

Almost surely, 2^{19142945843143} is an apocalyptic number.

19142945843143 is a deficient number, since it is larger than the sum of its proper divisors (1).

19142945843143 is an equidigital number, since it uses as much as digits as its factorization.

19142945843143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 58.

The spelling of 19142945843143 in words is "nineteen trillion, one hundred forty-two billion, nine hundred forty-five million, eight hundred forty-three thousand, one hundred forty-three".