1447450547441 has 2 divisors, whose sum is σ = 1447450547442. Its totient is φ = 1447450547440.

The previous prime is 1447450547437. The next prime is 1447450547453.

1447450547441 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1194858865216 + 252591682225 = 1093096^2 + 502585^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1447450547441 - 2² = 1447450547437 is a prime.

It is a super-2 number, since 2×1447450547441² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1447450547441.

It is not a weakly prime, because it can be changed into another prime (1447450547461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723725273720 + 723725273721.

It is an arithmetic number, because the mean of its divisors is an integer number (723725273721).

Almost surely, 2^{1447450547441} is an apocalyptic number.

It is an amenable number.

1447450547441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447450547441 is an equidigital number, since it uses as much as digits as its factorization.

1447450547441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5017600, while the sum is 50.

The spelling of 1447450547441 in words is "one trillion, four hundred forty-seven billion, four hundred fifty million, five hundred forty-seven thousand, four hundred forty-one".