4450539481 has 2 divisors, whose sum is σ = 4450539482. Its totient is φ = 4450539480.

The previous prime is 4450539439. The next prime is 4450539503. The reversal of 4450539481 is 1849350544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3834705625 + 615833856 = 61925^2 + 24816^2 .

It is a cyclic number.

It is not a de Polignac number, because 4450539481 - 2²³ = 4442150873 is a prime.

It is a super-2 number, since 2×4450539481² = 39614603343879498722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4450530481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225269740 + 2225269741.

It is an arithmetic number, because the mean of its divisors is an integer number (2225269741).

Almost surely, 2^4450539481 is an apocalyptic number.

It is an amenable number.

4450539481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4450539481 is an equidigital number, since it uses as much as digits as its factorization.

4450539481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 4450539481 is about 66712.3637791377. The cubic root of 4450539481 is about 1644.8926222166.

The spelling of 4450539481 in words is "four billion, four hundred fifty million, five hundred thirty-nine thousand, four hundred eighty-one".