4485333581 has 2 divisors, whose sum is σ = 4485333582. Its totient is φ = 4485333580.

The previous prime is 4485333571. The next prime is 4485333607. The reversal of 4485333581 is 1853335844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4482302500 + 3031081 = 66950^2 + 1741^2 .

It is a cyclic number.

It is not a de Polignac number, because 4485333581 - 2²² = 4481139277 is a prime.

It is a super-2 number, since 2×4485333581² = 40236434665692567122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4485333571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2242666790 + 2242666791.

It is an arithmetic number, because the mean of its divisors is an integer number (2242666791).

Almost surely, 2^4485333581 is an apocalyptic number.

It is an amenable number.

4485333581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4485333581 is an equidigital number, since it uses as much as digits as its factorization.

4485333581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 44.

The square root of 4485333581 is about 66972.6330750106. The cubic root of 4485333581 is about 1649.1680631267.

The spelling of 4485333581 in words is "four billion, four hundred eighty-five million, three hundred thirty-three thousand, five hundred eighty-one".