3940803316811 has 2 divisors, whose sum is σ = 3940803316812. Its totient is φ = 3940803316810.

The previous prime is 3940803316759. The next prime is 3940803316847. The reversal of 3940803316811 is 1186133080493.

It is a happy number.

3940803316811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3940803316811 is a prime.

It is not a weakly prime, because it can be changed into another prime (3940803315811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970401658405 + 1970401658406.

It is an arithmetic number, because the mean of its divisors is an integer number (1970401658406).

Almost surely, 2^{3940803316811} is an apocalyptic number.

3940803316811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940803316811 is an equidigital number, since it uses as much as digits as its factorization.

3940803316811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 3940803316811 in words is "three trillion, nine hundred forty billion, eight hundred three million, three hundred sixteen thousand, eight hundred eleven".