4108168993 has 2 divisors, whose sum is σ = 4108168994. Its totient is φ = 4108168992.

The previous prime is 4108168991. The next prime is 4108169003. The reversal of 4108168993 is 3998618014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4002839824 + 105329169 = 63268^2 + 10263^2 .

It is a cyclic number.

It is not a de Polignac number, because 4108168993 - 2¹ = 4108168991 is a prime.

Together with 4108168991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4108168991) 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, 2054084496 + 2054084497.

It is an arithmetic number, because the mean of its divisors is an integer number (2054084497).

Almost surely, 2^4108168993 is an apocalyptic number.

It is an amenable number.

4108168993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4108168993 is an equidigital number, since it uses as much as digits as its factorization.

4108168993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 4108168993 is about 64094.9997503705. Note that the first 3 decimals coincide. The cubic root of 4108168993 is about 1601.5829377230.

The spelling of 4108168993 in words is "four billion, one hundred eight million, one hundred sixty-eight thousand, nine hundred ninety-three".