3993534942413 has 2 divisors, whose sum is σ = 3993534942414. Its totient is φ = 3993534942412.

The previous prime is 3993534942379. The next prime is 3993534942497. The reversal of 3993534942413 is 3142494353993.

3993534942413 is digitally balanced in base 3, 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., 3573544105924 + 419990836489 = 1890382^2 + 648067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3993534942413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3993534942013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996767471206 + 1996767471207.

It is an arithmetic number, because the mean of its divisors is an integer number (1996767471207).

Almost surely, 2^{3993534942413} is an apocalyptic number.

It is an amenable number.

3993534942413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3993534942413 is an equidigital number, since it uses as much as digits as its factorization.

3993534942413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37791360, while the sum is 59.

The spelling of 3993534942413 in words is "three trillion, nine hundred ninety-three billion, five hundred thirty-four million, nine hundred forty-two thousand, four hundred thirteen".