4405132181 has 2 divisors, whose sum is σ = 4405132182. Its totient is φ = 4405132180.

The previous prime is 4405132139. The next prime is 4405132231. The reversal of 4405132181 is 1812315044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2960448100 + 1444684081 = 54410^2 + 38009^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405132181 - 2¹⁸ = 4404870037 is a prime.

It is a super-2 number, since 2×4405132181² = 38810379064163633522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4405132111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202566090 + 2202566091.

It is an arithmetic number, because the mean of its divisors is an integer number (2202566091).

Almost surely, 2^4405132181 is an apocalyptic number.

It is an amenable number.

4405132181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405132181 is an equidigital number, since it uses as much as digits as its factorization.

4405132181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 4405132181 is about 66371.1698028594. The cubic root of 4405132181 is about 1639.2794004805.

The spelling of 4405132181 in words is "four billion, four hundred five million, one hundred thirty-two thousand, one hundred eighty-one".