14301528921 has 9 divisors (see below), whose sum is σ = 20658282229. Its totient is φ = 9534113436.

The previous prime is 14301528907. The next prime is 14301528929. The reversal of 14301528921 is 12982510341.

The square root of 14301528921 is 119589.

It is a perfect power (a square), and thus also a powerful number.

14301528921 is a `hidden beast` number, since 1 + 43 + 0 + 1 + 528 + 92 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 14301528921 - 2¹¹ = 14301526873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14301528929) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 338836 + ... + 378698.

Almost surely, 2^14301528921 is an apocalyptic number.

14301528921 is the 119589-th square number.

14301528921 is the 59795-th centered octagonal number.

It is an amenable number.

14301528921 is a deficient number, since it is larger than the sum of its proper divisors (6356753308).

14301528921 is an frugal number, since it uses more digits than its factorization.

14301528921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79732 (or 39866 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Multiplying 14301528921 by its sum of digits (36), we get a square (514855041156 = 717534²).

It can be divided in two parts, 1430 and 1528921, that added together give a palindrome (1530351).

The spelling of 14301528921 in words is "fourteen billion, three hundred one million, five hundred twenty-eight thousand, nine hundred twenty-one".