13465666025 has 24 divisors (see below), whose sum is σ = 19090891200. Its totient is φ = 9229671360.

The previous prime is 13465666009. The next prime is 13465666033. The reversal of 13465666025 is 52066656431.

13465666025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13465666025 - 2⁴ = 13465666009 is a prime.

It is a super-2 number, since 2×13465666025² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430982 + ... + 461168.

It is an arithmetic number, because the mean of its divisors is an integer number (795453800).

Almost surely, 2^13465666025 is an apocalyptic number.

It is an amenable number.

13465666025 is a deficient number, since it is larger than the sum of its proper divisors (5625225175).

13465666025 is a wasteful number, since it uses less digits than its factorization.

13465666025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32753 (or 32748 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 13465666025 in words is "thirteen billion, four hundred sixty-five million, six hundred sixty-six thousand, twenty-five".