14645344354649 has 2 divisors, whose sum is σ = 14645344354650. Its totient is φ = 14645344354648.

The previous prime is 14645344354607. The next prime is 14645344354651. The reversal of 14645344354649 is 94645344354641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11993283249424 + 2652061105225 = 3463132^2 + 1628515^2 .

It is a cyclic number.

It is not a de Polignac number, because 14645344354649 - 2¹⁶ = 14645344289113 is a prime.

It is a super-2 number, since 2×14645344354649² (a number of 27 digits) contains 22 as substring.

Together with 14645344354651, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14645344354591 and 14645344354600.

It is not a weakly prime, because it can be changed into another prime (14645344353649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322672177324 + 7322672177325.

It is an arithmetic number, because the mean of its divisors is an integer number (7322672177325).

Almost surely, 2^{14645344354649} is an apocalyptic number.

It is an amenable number.

14645344354649 is a deficient number, since it is larger than the sum of its proper divisors (1).

14645344354649 is an equidigital number, since it uses as much as digits as its factorization.

14645344354649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 298598400, while the sum is 62.

The spelling of 14645344354649 in words is "fourteen trillion, six hundred forty-five billion, three hundred forty-four million, three hundred fifty-four thousand, six hundred forty-nine".