4318993841 has 2 divisors, whose sum is σ = 4318993842. Its totient is φ = 4318993840.

The previous prime is 4318993817. The next prime is 4318993853. The reversal of 4318993841 is 1483998134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3978960241 + 340033600 = 63079^2 + 18440^2 .

It is a cyclic number.

It is not a de Polignac number, because 4318993841 - 2²² = 4314799537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4318993841.

It is not a weakly prime, because it can be changed into another prime (4318993891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2159496920 + 2159496921.

It is an arithmetic number, because the mean of its divisors is an integer number (2159496921).

Almost surely, 2^4318993841 is an apocalyptic number.

It is an amenable number.

4318993841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4318993841 is an equidigital number, since it uses as much as digits as its factorization.

4318993841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 50.

The square root of 4318993841 is about 65719.0523440501. The cubic root of 4318993841 is about 1628.5241186710.

The spelling of 4318993841 in words is "four billion, three hundred eighteen million, nine hundred ninety-three thousand, eight hundred forty-one".