14431132420547 has 2 divisors, whose sum is σ = 14431132420548. Its totient is φ = 14431132420546.

The previous prime is 14431132420517. The next prime is 14431132420571. The reversal of 14431132420547 is 74502423113441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14431132420547 - 2¹⁴ = 14431132404163 is a prime.

It is not a weakly prime, because it can be changed into another prime (14431132420517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215566210273 + 7215566210274.

It is an arithmetic number, because the mean of its divisors is an integer number (7215566210274).

Almost surely, 2^{14431132420547} is an apocalyptic number.

14431132420547 is a deficient number, since it is larger than the sum of its proper divisors (1).

14431132420547 is an equidigital number, since it uses as much as digits as its factorization.

14431132420547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 41.

Adding to 14431132420547 its reverse (74502423113441), we get a palindrome (88933555533988).

The spelling of 14431132420547 in words is "fourteen trillion, four hundred thirty-one billion, one hundred thirty-two million, four hundred twenty thousand, five hundred forty-seven".