14521429521 has 16 divisors (see below), whose sum is σ = 22255065600. Its totient is φ = 9347126544.

The previous prime is 14521429501. The next prime is 14521429577. The reversal of 14521429521 is 12592412541.

14521429521 is a `hidden beast` number, since 1 + 4 + 521 + 42 + 95 + 2 + 1 = 666.

It is not a de Polignac number, because 14521429521 - 2⁹ = 14521429009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14521429501) 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, 9272161 + ... + 9273726.

It is an arithmetic number, because the mean of its divisors is an integer number (1390941600).

Almost surely, 2^14521429521 is an apocalyptic number.

It is an amenable number.

14521429521 is a deficient number, since it is larger than the sum of its proper divisors (7733636079).

14521429521 is a wasteful number, since it uses less digits than its factorization.

14521429521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18545925 (or 18545919 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The spelling of 14521429521 in words is "fourteen billion, five hundred twenty-one million, four hundred twenty-nine thousand, five hundred twenty-one".