14043542517 has 12 divisors (see below), whose sum is σ = 20390223724. Its totient is φ = 9313850880.

The previous prime is 14043542509. The next prime is 14043542537. The reversal of 14043542517 is 71524534041.

It can be written as a sum of positive squares in 2 ways, for example, as 2738324241 + 11305218276 = 52329^2 + 106326^2 .

It is not a de Polignac number, because 14043542517 - 2³ = 14043542509 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 (14043542537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4040734 + ... + 4044207.

Almost surely, 2^14043542517 is an apocalyptic number.

It is an amenable number.

14043542517 is a deficient number, since it is larger than the sum of its proper divisors (6346681207).

14043542517 is a wasteful number, since it uses less digits than its factorization.

14043542517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085140 (or 8085137 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 14043542517 in words is "fourteen billion, forty-three million, five hundred forty-two thousand, five hundred seventeen".