14575566447749 has 2 divisors, whose sum is σ = 14575566447750. Its totient is φ = 14575566447748.

The previous prime is 14575566447731. The next prime is 14575566447763. The reversal of 14575566447749 is 94774466557541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11490913530625 + 3084652917124 = 3389825^2 + 1756318^2 .

It is a cyclic number.

It is not a de Polignac number, because 14575566447749 - 2⁸ = 14575566447493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14575566447779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7287783223874 + 7287783223875.

It is an arithmetic number, because the mean of its divisors is an integer number (7287783223875).

Almost surely, 2^{14575566447749} is an apocalyptic number.

It is an amenable number.

14575566447749 is a deficient number, since it is larger than the sum of its proper divisors (1).

14575566447749 is an equidigital number, since it uses as much as digits as its factorization.

14575566447749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224000, while the sum is 74.

The spelling of 14575566447749 in words is "fourteen trillion, five hundred seventy-five billion, five hundred sixty-six million, four hundred forty-seven thousand, seven hundred forty-nine".