1447793717049 has 27 divisors (see below), whose sum is σ = 2221603092813. Its totient is φ = 908381083392.

The previous prime is 1447793717021. The next prime is 1447793717063. The reversal of 1447793717049 is 9407173977441.

The square root of 1447793717049 is 1203243.

It is a perfect power (a square), and thus also a powerful number.

1447793717049 is a `hidden beast` number, since 1 + 4 + 477 + 93 + 7 + 1 + 70 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59167157049 + 1388626560000 = 243243^2 + 1178400^2 .

It is not a de Polignac number, because 1447793717049 - 2⁷ = 1447793716921 is a prime.

It is a super-2 number, since 2×1447793717049² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1447793717849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 61353597 + ... + 61377189.

Almost surely, 2^{1447793717049} is an apocalyptic number.

1447793717049 is the 1203243-rd square number.

1447793717049 is the 601622-nd centered octagonal number.

It is an amenable number.

1447793717049 is a deficient number, since it is larger than the sum of its proper divisors (773809375764).

1447793717049 is an frugal number, since it uses more digits than its factorization.

1447793717049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47226 (or 23613 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The spelling of 1447793717049 in words is "one trillion, four hundred forty-seven billion, seven hundred ninety-three million, seven hundred seventeen thousand, forty-nine".