14640726109 has 2 divisors, whose sum is σ = 14640726110. Its totient is φ = 14640726108.

The previous prime is 14640726053. The next prime is 14640726119. The reversal of 14640726109 is 90162704641.

14640726109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8080212100 + 6560514009 = 89890^2 + 80997^2 .

It is a cyclic number.

It is not a de Polignac number, because 14640726109 - 2⁹ = 14640725597 is a prime.

It is a super-3 number, since 3×14640726109³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14640726119) by changing a digit.

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 as a sum of consecutive naturals, namely, 7320363054 + 7320363055.

It is an arithmetic number, because the mean of its divisors is an integer number (7320363055).

Almost surely, 2^14640726109 is an apocalyptic number.

It is an amenable number.

14640726109 is a deficient number, since it is larger than the sum of its proper divisors (1).

14640726109 is an equidigital number, since it uses as much as digits as its factorization.

14640726109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 14640726109 in words is "fourteen billion, six hundred forty million, seven hundred twenty-six thousand, one hundred nine".