4312446149449 has 9 divisors (see below), whose sum is σ = 4551404476167. Its totient is φ = 4085437919904.

The previous prime is 4312446149393. The next prime is 4312446149461. The reversal of 4312446149449 is 9449416442134.

The square root of 4312446149449 is 2076643.

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

It can be written as a sum of positive squares in only one way, i.e., 326960958025 + 3985485191424 = 571805^2 + 1996368^2 .

It is not a de Polignac number, because 4312446149449 - 2²⁵ = 4312412595017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4312446149449.

It is not an unprimeable number, because it can be changed into a prime (4312446149149) 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 in 8 ways as a sum of consecutive naturals, for example, 39401569 + ... + 39510865.

It is an arithmetic number, because the mean of its divisors is an integer number (505711608463).

Almost surely, 2^{4312446149449} is an apocalyptic number.

4312446149449 is the 2076643-rd square number.

4312446149449 is the 1038322-nd centered octagonal number.

It is an amenable number.

4312446149449 is a deficient number, since it is larger than the sum of its proper divisors (238958326718).

4312446149449 is an frugal number, since it uses more digits than its factorization.

4312446149449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218632 (or 109316 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 55.

The spelling of 4312446149449 in words is "four trillion, three hundred twelve billion, four hundred forty-six million, one hundred forty-nine thousand, four hundred forty-nine".