4463456642728 has 16 divisors (see below), whose sum is σ = 8369342704980. Its totient is φ = 2231631921408.

The previous prime is 4463456642641. The next prime is 4463456642833. The reversal of 4463456642728 is 8272466543644.

It can be written as a sum of positive squares in 2 ways, for example, as 3936644873604 + 526811769124 = 1984098^2 + 725818^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11853025 + ... + 12223792.

Almost surely, 2^{4463456642728} is an apocalyptic number.

It is an amenable number.

4463456642728 is a deficient number, since it is larger than the sum of its proper divisors (3905886062252).

4463456642728 is a wasteful number, since it uses less digits than its factorization.

4463456642728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24099996 (or 24099992 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 61.

The spelling of 4463456642728 in words is "four trillion, four hundred sixty-three billion, four hundred fifty-six million, six hundred forty-two thousand, seven hundred twenty-eight".