1447303328869 has 2 divisors, whose sum is σ = 1447303328870. Its totient is φ = 1447303328868.

The previous prime is 1447303328857. The next prime is 1447303328897. The reversal of 1447303328869 is 9688233037441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322644903969 + 124658424900 = 1150063^2 + 353070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1447303328869 - 2⁵ = 1447303328837 is a prime.

It is a super-2 number, since 2×1447303328869² (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 (1447303368869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723651664434 + 723651664435.

It is an arithmetic number, because the mean of its divisors is an integer number (723651664435).

Almost surely, 2^{1447303328869} is an apocalyptic number.

It is an amenable number.

1447303328869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447303328869 is an equidigital number, since it uses as much as digits as its factorization.

1447303328869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 1447303328869 in words is "one trillion, four hundred forty-seven billion, three hundred three million, three hundred twenty-eight thousand, eight hundred sixty-nine".