3435646165321 has 2 divisors, whose sum is σ = 3435646165322. Its totient is φ = 3435646165320.

The previous prime is 3435646165241. The next prime is 3435646165337. The reversal of 3435646165321 is 1235616465343.

3435646165321 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., 3430418875321 + 5227290000 = 1852139^2 + 72300^2 .

It is a cyclic number.

It is not a de Polignac number, because 3435646165321 - 2¹¹ = 3435646163273 is a prime.

It is not a weakly prime, because it can be changed into another prime (3435646165351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717823082660 + 1717823082661.

It is an arithmetic number, because the mean of its divisors is an integer number (1717823082661).

Almost surely, 2^{3435646165321} is an apocalyptic number.

It is an amenable number.

3435646165321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3435646165321 is an equidigital number, since it uses as much as digits as its factorization.

3435646165321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 49.

The spelling of 3435646165321 in words is "three trillion, four hundred thirty-five billion, six hundred forty-six million, one hundred sixty-five thousand, three hundred twenty-one".