4436542549 has 2 divisors, whose sum is σ = 4436542550. Its totient is φ = 4436542548.

The previous prime is 4436542511. The next prime is 4436542553. The reversal of 4436542549 is 9452456344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4243610449 + 192932100 = 65143^2 + 13890^2 .

It is a cyclic number.

It is not a de Polignac number, because 4436542549 - 2¹¹ = 4436540501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4436542499 and 4436542508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4436542589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2218271274 + 2218271275.

It is an arithmetic number, because the mean of its divisors is an integer number (2218271275).

Almost surely, 2^4436542549 is an apocalyptic number.

It is an amenable number.

4436542549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4436542549 is an equidigital number, since it uses as much as digits as its factorization.

4436542549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 46.

The square root of 4436542549 is about 66607.3760855358. The cubic root of 4436542549 is about 1643.1664173551.

The spelling of 4436542549 in words is "four billion, four hundred thirty-six million, five hundred forty-two thousand, five hundred forty-nine".