4233978941 has 2 divisors, whose sum is σ = 4233978942. Its totient is φ = 4233978940.

The previous prime is 4233978937. The next prime is 4233979003. The reversal of 4233978941 is 1498793324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3965346841 + 268632100 = 62971^2 + 16390^2 .

It is a cyclic number.

It is not a de Polignac number, because 4233978941 - 2² = 4233978937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4233978941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4233978901) 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, 2116989470 + 2116989471.

It is an arithmetic number, because the mean of its divisors is an integer number (2116989471).

Almost surely, 2^4233978941 is an apocalyptic number.

It is an amenable number.

4233978941 is a deficient number, since it is larger than the sum of its proper divisors (1).

4233978941 is an equidigital number, since it uses as much as digits as its factorization.

4233978941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 4233978941 is about 65069.0321197419. The cubic root of 4233978941 is about 1617.7679647017.

The spelling of 4233978941 in words is "four billion, two hundred thirty-three million, nine hundred seventy-eight thousand, nine hundred forty-one".