4108818061 has 2 divisors, whose sum is σ = 4108818062. Its totient is φ = 4108818060.

The previous prime is 4108818059. The next prime is 4108818071. The reversal of 4108818061 is 1608188014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3839661225 + 269156836 = 61965^2 + 16406^2 .

It is a cyclic number.

It is not a de Polignac number, because 4108818061 - 2¹ = 4108818059 is a prime.

Together with 4108818059, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4108818061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4108818041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054409030 + 2054409031.

It is an arithmetic number, because the mean of its divisors is an integer number (2054409031).

Almost surely, 2^4108818061 is an apocalyptic number.

It is an amenable number.

4108818061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4108818061 is an equidigital number, since it uses as much as digits as its factorization.

4108818061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 37.

The square root of 4108818061 is about 64100.0628782843. The cubic root of 4108818061 is about 1601.6672803660.

The spelling of 4108818061 in words is "four billion, one hundred eight million, eight hundred eighteen thousand, sixty-one".