3941603993 has 2 divisors, whose sum is σ = 3941603994. Its totient is φ = 3941603992.

The previous prime is 3941603989. The next prime is 3941604041. The reversal of 3941603993 is 3993061493.

3941603993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2873817664 + 1067786329 = 53608^2 + 32677^2 .

It is a cyclic number.

It is not a de Polignac number, because 3941603993 - 2² = 3941603989 is a prime.

It is not a weakly prime, because it can be changed into another prime (3941603983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970801996 + 1970801997.

It is an arithmetic number, because the mean of its divisors is an integer number (1970801997).

Almost surely, 2^3941603993 is an apocalyptic number.

It is an amenable number.

3941603993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3941603993 is an equidigital number, since it uses as much as digits as its factorization.

3941603993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 47.

The square root of 3941603993 is about 62782.1948724318. The cubic root of 3941603993 is about 1579.6383289306.

The spelling of 3941603993 in words is "three billion, nine hundred forty-one million, six hundred three thousand, nine hundred ninety-three".