4403949876481 has 3 divisors (see below), whose sum is σ = 4403951975041. Its totient is φ = 4403947777922.

The previous prime is 4403949876463. The next prime is 4403949876493. The reversal of 4403949876481 is 1846789493044.

The square root of 4403949876481 is 2098559.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-4403949876481 is a prime.

It is a super-2 number, since 2×4403949876481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4403943876481) 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 2 ways as a sum of consecutive naturals, for example, 1049280 + ... + 3147838.

Almost surely, 2^{4403949876481} is an apocalyptic number.

4403949876481 is the 2098559-th square number.

4403949876481 is the 1049280-th centered octagonal number.

It is an amenable number.

4403949876481 is a deficient number, since it is larger than the sum of its proper divisors (2098560).

4403949876481 is an frugal number, since it uses more digits than its factorization.

4403949876481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197118 (or 2098559 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 67.

The spelling of 4403949876481 in words is "four trillion, four hundred three billion, nine hundred forty-nine million, eight hundred seventy-six thousand, four hundred eighty-one".