4100243993 has 2 divisors, whose sum is σ = 4100243994. Its totient is φ = 4100243992.

The previous prime is 4100243977. The next prime is 4100244041. The reversal of 4100243993 is 3993420014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3699923929 + 400320064 = 60827^2 + 20008^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100243993 - 2⁴ = 4100243977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4100243933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050121996 + 2050121997.

It is an arithmetic number, because the mean of its divisors is an integer number (2050121997).

Almost surely, 2^4100243993 is an apocalyptic number.

It is an amenable number.

4100243993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4100243993 is an equidigital number, since it uses as much as digits as its factorization.

4100243993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 4100243993 is about 64033.1476112177. The cubic root of 4100243993 is about 1600.5524125085.

The spelling of 4100243993 in words is "four billion, one hundred million, two hundred forty-three thousand, nine hundred ninety-three".