3996209033749 has 2 divisors, whose sum is σ = 3996209033750. Its totient is φ = 3996209033748.

The previous prime is 3996209033741. The next prime is 3996209033759. The reversal of 3996209033749 is 9473309026993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3493882471249 + 502326562500 = 1869193^2 + 708750^2 .

It is a cyclic number.

It is not a de Polignac number, because 3996209033749 - 2³ = 3996209033741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3996209033741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998104516874 + 1998104516875.

It is an arithmetic number, because the mean of its divisors is an integer number (1998104516875).

Almost surely, 2^{3996209033749} is an apocalyptic number.

It is an amenable number.

3996209033749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996209033749 is an equidigital number, since it uses as much as digits as its factorization.

3996209033749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59521392, while the sum is 64.

The spelling of 3996209033749 in words is "three trillion, nine hundred ninety-six billion, two hundred nine million, thirty-three thousand, seven hundred forty-nine".