3165696093821 has 2 divisors, whose sum is σ = 3165696093822. Its totient is φ = 3165696093820.

The previous prime is 3165696093797. The next prime is 3165696093839. The reversal of 3165696093821 is 1283906965613.

It is a happy number.

3165696093821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1741373191321 + 1424322902500 = 1319611^2 + 1193450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3165696093821 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3165696093121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582848046910 + 1582848046911.

It is an arithmetic number, because the mean of its divisors is an integer number (1582848046911).

Almost surely, 2^{3165696093821} is an apocalyptic number.

It is an amenable number.

3165696093821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3165696093821 is an equidigital number, since it uses as much as digits as its factorization.

3165696093821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 3165696093821 in words is "three trillion, one hundred sixty-five billion, six hundred ninety-six million, ninety-three thousand, eight hundred twenty-one".