4557443623489 has 27 divisors (see below), whose sum is σ = 4703390481699. Its totient is φ = 4415997053520.

The previous prime is 4557443623487. The next prime is 4557443623531. The reversal of 4557443623489 is 9843263447554.

The square root of 4557443623489 is 2134817.

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., 148199591089 + 4409244032400 = 384967^2 + 2099820^2 .

It is not a de Polignac number, because 4557443623489 - 2¹ = 4557443623487 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 4557443623489.

It is not an unprimeable number, because it can be changed into a prime (4557443623487) 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 26 ways as a sum of consecutive naturals, for example, 10287682902 + ... + 10287683344.

Almost surely, 2^{4557443623489} is an apocalyptic number.

4557443623489 is the 2134817-th square number.

4557443623489 is the 1067409-th centered octagonal number.

It is an amenable number.

4557443623489 is a deficient number, since it is larger than the sum of its proper divisors (145946858210).

4557443623489 is an frugal number, since it uses more digits than its factorization.

4557443623489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 583 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 64.

Multiplying 4557443623489 by its sum of digits (64), we get a square (291676391903296 = 17078536²).

The spelling of 4557443623489 in words is "four trillion, five hundred fifty-seven billion, four hundred forty-three million, six hundred twenty-three thousand, four hundred eighty-nine".