3506565631243 has 2 divisors, whose sum is σ = 3506565631244. Its totient is φ = 3506565631242.

The previous prime is 3506565631201. The next prime is 3506565631319. The reversal of 3506565631243 is 3421365656053.

3506565631243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3421365656053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3506565631243 - 2¹³ = 3506565623051 is a prime.

It is not a weakly prime, because it can be changed into another prime (3506565632243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753282815621 + 1753282815622.

It is an arithmetic number, because the mean of its divisors is an integer number (1753282815622).

Almost surely, 2^{3506565631243} is an apocalyptic number.

3506565631243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506565631243 is an equidigital number, since it uses as much as digits as its factorization.

3506565631243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832000, while the sum is 49.

The spelling of 3506565631243 in words is "three trillion, five hundred six billion, five hundred sixty-five million, six hundred thirty-one thousand, two hundred forty-three".