1447884952669 has 2 divisors, whose sum is σ = 1447884952670. Its totient is φ = 1447884952668.

The previous prime is 1447884952559. The next prime is 1447884952687. The reversal of 1447884952669 is 9662594887441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1327940483769 + 119944468900 = 1152363^2 + 346330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1447884952669 - 2²⁹ = 1447348081757 is a prime.

It is a super-2 number, since 2×1447884952669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447884952369) 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, 723942476334 + 723942476335.

It is an arithmetic number, because the mean of its divisors is an integer number (723942476335).

Almost surely, 2^{1447884952669} is an apocalyptic number.

It is an amenable number.

1447884952669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447884952669 is an equidigital number, since it uses as much as digits as its factorization.

1447884952669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 836075520, while the sum is 73.

The spelling of 1447884952669 in words is "one trillion, four hundred forty-seven billion, eight hundred eighty-four million, nine hundred fifty-two thousand, six hundred sixty-nine".