14431132420517 has 2 divisors, whose sum is σ = 14431132420518. Its totient is φ = 14431132420516.

The previous prime is 14431132420447. The next prime is 14431132420547. The reversal of 14431132420517 is 71502423113441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11413039265761 + 3018093154756 = 3378319^2 + 1737266^2 .

It is a cyclic number.

It is not a de Polignac number, because 14431132420517 - 2¹⁴ = 14431132404133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14431132420547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215566210258 + 7215566210259.

It is an arithmetic number, because the mean of its divisors is an integer number (7215566210259).

Almost surely, 2^{14431132420517} is an apocalyptic number.

It is an amenable number.

14431132420517 is a deficient number, since it is larger than the sum of its proper divisors (1).

14431132420517 is an equidigital number, since it uses as much as digits as its factorization.

14431132420517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 14431132420517 its reverse (71502423113441), we get a palindrome (85933555533958).

The spelling of 14431132420517 in words is "fourteen trillion, four hundred thirty-one billion, one hundred thirty-two million, four hundred twenty thousand, five hundred seventeen".