14191420519 has 4 divisors (see below), whose sum is σ = 14192908240. Its totient is φ = 14189932800.

The previous prime is 14191420513. The next prime is 14191420543. The reversal of 14191420519 is 91502419141.

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 14191420519 - 2⁹ = 14191420007 is a prime.

It is a super-2 number, since 2×14191420519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14191420513) 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, 729459 + ... + 748660.

It is an arithmetic number, because the mean of its divisors is an integer number (3548227060).

Almost surely, 2^14191420519 is an apocalyptic number.

14191420519 is a deficient number, since it is larger than the sum of its proper divisors (1487721).

14191420519 is an equidigital number, since it uses as much as digits as its factorization.

14191420519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487720.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 14191420519 in words is "fourteen billion, one hundred ninety-one million, four hundred twenty thousand, five hundred nineteen".