14221510109 has 2 divisors, whose sum is σ = 14221510110. Its totient is φ = 14221510108.

The previous prime is 14221510097. The next prime is 14221510211. The reversal of 14221510109 is 90101512241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14196007609 + 25502500 = 119147^2 + 5050^2 .

It is a cyclic number.

It is not a de Polignac number, because 14221510109 - 2⁸ = 14221509853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14221510309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110755054 + 7110755055.

It is an arithmetic number, because the mean of its divisors is an integer number (7110755055).

Almost surely, 2^14221510109 is an apocalyptic number.

It is an amenable number.

14221510109 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221510109 is an equidigital number, since it uses as much as digits as its factorization.

14221510109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 14221510109 in words is "fourteen billion, two hundred twenty-one million, five hundred ten thousand, one hundred nine".