14731890625 has 21 divisors (see below), whose sum is σ = 18433611703. Its totient is φ = 11773375000.

The previous prime is 14731890619. The next prime is 14731890643. The reversal of 14731890625 is 52609813741.

The square root of 14731890625 is 121375.

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

It can be written as a sum of positive squares in 3 ways, for example, as 12906550449 + 1825340176 = 113607^2 + 42724^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14731890625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 15171390 + ... + 15172360.

It is a 2-persistent number, because it is pandigital, and so is 2⋅14731890625 = 29463781250, but 3⋅14731890625 = 44195671875 is not.

Almost surely, 2^14731890625 is an apocalyptic number.

14731890625 is the 121375-th square number.

14731890625 is the 60688-th centered octagonal number.

It is an amenable number.

14731890625 is a deficient number, since it is larger than the sum of its proper divisors (3701721078).

14731890625 is an frugal number, since it uses more digits than its factorization.

14731890625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 14731890625 in words is "fourteen billion, seven hundred thirty-one million, eight hundred ninety thousand, six hundred twenty-five".