14052551643509 has 2 divisors, whose sum is σ = 14052551643510. Its totient is φ = 14052551643508.

The previous prime is 14052551643463. The next prime is 14052551643511. The reversal of 14052551643509 is 90534615525041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12400941121009 + 1651610522500 = 3521497^2 + 1285150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14052551643509 is a prime.

Together with 14052551643511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14052551643409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7026275821754 + 7026275821755.

It is an arithmetic number, because the mean of its divisors is an integer number (7026275821755).

Almost surely, 2^{14052551643509} is an apocalyptic number.

It is an amenable number.

14052551643509 is a deficient number, since it is larger than the sum of its proper divisors (1).

14052551643509 is an equidigital number, since it uses as much as digits as its factorization.

14052551643509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 14052551643509 in words is "fourteen trillion, fifty-two billion, five hundred fifty-one million, six hundred forty-three thousand, five hundred nine".