43963665463 has 2 divisors, whose sum is σ = 43963665464. Its totient is φ = 43963665462.

The previous prime is 43963665407. The next prime is 43963665481. The reversal of 43963665463 is 36456636934.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43963665463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43963665563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21981832731 + 21981832732.

It is an arithmetic number, because the mean of its divisors is an integer number (21981832732).

Almost surely, 2^43963665463 is an apocalyptic number.

43963665463 is a deficient number, since it is larger than the sum of its proper divisors (1).

43963665463 is an equidigital number, since it uses as much as digits as its factorization.

43963665463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25194240, while the sum is 55.

The spelling of 43963665463 in words is "forty-three billion, nine hundred sixty-three million, six hundred sixty-five thousand, four hundred sixty-three".