3216565463 has 2 divisors, whose sum is σ = 3216565464. Its totient is φ = 3216565462.

The previous prime is 3216565409. The next prime is 3216565519. The reversal of 3216565463 is 3645656123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3216565463 - 2⁸ = 3216565207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3216565463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3216565763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608282731 + 1608282732.

It is an arithmetic number, because the mean of its divisors is an integer number (1608282732).

Almost surely, 2^3216565463 is an apocalyptic number.

3216565463 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216565463 is an equidigital number, since it uses as much as digits as its factorization.

3216565463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 41.

The square root of 3216565463 is about 56714.7728814989. The cubic root of 3216565463 is about 1476.1510445316.

The spelling of 3216565463 in words is "three billion, two hundred sixteen million, five hundred sixty-five thousand, four hundred sixty-three".