14005004521 has 16 divisors (see below), whose sum is σ = 14302568448. Its totient is φ = 13710643200.

The previous prime is 14005004513. The next prime is 14005004537. The reversal of 14005004521 is 12540050041.

It is a cyclic number.

It is not a de Polignac number, because 14005004521 - 2³ = 14005004513 is a prime.

It is a super-2 number, since 2×14005004521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14005004492 and 14005004501.

It is not an unprimeable number, because it can be changed into a prime (14005004561) 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, 8936680 + ... + 8938246.

It is an arithmetic number, because the mean of its divisors is an integer number (893910528).

Almost surely, 2^14005004521 is an apocalyptic number.

It is an amenable number.

14005004521 is a deficient number, since it is larger than the sum of its proper divisors (297563927).

14005004521 is a wasteful number, since it uses less digits than its factorization.

14005004521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 14005004521 its reverse (12540050041), we get a palindrome (26545054562).

The spelling of 14005004521 in words is "fourteen billion, five million, four thousand, five hundred twenty-one".