4146413581 has 2 divisors, whose sum is σ = 4146413582. Its totient is φ = 4146413580.

The previous prime is 4146413563. The next prime is 4146413617. The reversal of 4146413581 is 1853146414.

4146413581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2974720681 + 1171692900 = 54541^2 + 34230^2 .

It is a cyclic number.

It is not a de Polignac number, because 4146413581 - 2¹⁵ = 4146380813 is a prime.

It is a super-2 number, since 2×4146413581² = 34385491169402487122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4146413581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4146413521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073206790 + 2073206791.

It is an arithmetic number, because the mean of its divisors is an integer number (2073206791).

Almost surely, 2^4146413581 is an apocalyptic number.

It is an amenable number.

4146413581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4146413581 is an equidigital number, since it uses as much as digits as its factorization.

4146413581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 4146413581 is about 64392.6516071516. The cubic root of 4146413581 is about 1606.5375199983.

Adding to 4146413581 its reverse (1853146414), we get a palindrome (5999559995).

The spelling of 4146413581 in words is "four billion, one hundred forty-six million, four hundred thirteen thousand, five hundred eighty-one".