14321664025 has 12 divisors (see below), whose sum is σ = 18803502972. Its totient is φ = 10783370240.

The previous prime is 14321664011. The next prime is 14321664041. The reversal of 14321664025 is 52046612341.

It can be written as a sum of positive squares in 6 ways, for example, as 378069136 + 13943594889 = 19444^2 + 118083^2 .

It is not a de Polignac number, because 14321664025 - 2⁹ = 14321663513 is a prime.

It is a super-2 number, since 2×14321664025² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16848592 + ... + 16849441.

It is an arithmetic number, because the mean of its divisors is an integer number (1566958581).

Almost surely, 2^14321664025 is an apocalyptic number.

It is an amenable number.

14321664025 is a deficient number, since it is larger than the sum of its proper divisors (4481838947).

14321664025 is a wasteful number, since it uses less digits than its factorization.

14321664025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33698060 (or 33698055 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 14321664025 in words is "fourteen billion, three hundred twenty-one million, six hundred sixty-four thousand, twenty-five".