14066825813 has 2 divisors, whose sum is σ = 14066825814. Its totient is φ = 14066825812.

The previous prime is 14066825809. The next prime is 14066825821. The reversal of 14066825813 is 31852866041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7427509489 + 6639316324 = 86183^2 + 81482^2 .

It is a cyclic number.

It is not a de Polignac number, because 14066825813 - 2² = 14066825809 is a prime.

It is a super-2 number, since 2×14066825813² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14066825413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7033412906 + 7033412907.

It is an arithmetic number, because the mean of its divisors is an integer number (7033412907).

Almost surely, 2^14066825813 is an apocalyptic number.

It is an amenable number.

14066825813 is a deficient number, since it is larger than the sum of its proper divisors (1).

14066825813 is an equidigital number, since it uses as much as digits as its factorization.

14066825813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 14066825813 in words is "fourteen billion, sixty-six million, eight hundred twenty-five thousand, eight hundred thirteen".