3661443101 has 2 divisors, whose sum is σ = 3661443102. Its totient is φ = 3661443100.

The previous prime is 3661443067. The next prime is 3661443113. The reversal of 3661443101 is 1013441663.

3661443101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2106718201 + 1554724900 = 45899^2 + 39430^2 .

It is a cyclic number.

It is not a de Polignac number, because 3661443101 - 2²² = 3657248797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3661443601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830721550 + 1830721551.

It is an arithmetic number, because the mean of its divisors is an integer number (1830721551).

Almost surely, 2^3661443101 is an apocalyptic number.

It is an amenable number.

3661443101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661443101 is an equidigital number, since it uses as much as digits as its factorization.

3661443101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3661443101 is about 60509.8595354509. The cubic root of 3661443101 is about 1541.2890625016.

Adding to 3661443101 its reverse (1013441663), we get a palindrome (4674884764).

The spelling of 3661443101 in words is "three billion, six hundred sixty-one million, four hundred forty-three thousand, one hundred one".