1719942142463 has 4 divisors (see below), whose sum is σ = 1720004620248. Its totient is φ = 1719879664680.

The previous prime is 1719942142433. The next prime is 1719942142487. The reversal of 1719942142463 is 3642412499171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1719942142463 - 2²⁰ = 1719941093887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1719942142433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31197581 + ... + 31252662.

It is an arithmetic number, because the mean of its divisors is an integer number (430001155062).

Almost surely, 2^{1719942142463} is an apocalyptic number.

1719942142463 is a deficient number, since it is larger than the sum of its proper divisors (62477785).

1719942142463 is an equidigital number, since it uses as much as digits as its factorization.

1719942142463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62477784.

The product of its digits is 2612736, while the sum is 53.

The spelling of 1719942142463 in words is "one trillion, seven hundred nineteen billion, nine hundred forty-two million, one hundred forty-two thousand, four hundred sixty-three".