4065639463 has 2 divisors, whose sum is σ = 4065639464. Its totient is φ = 4065639462.

The previous prime is 4065639421. The next prime is 4065639481. The reversal of 4065639463 is 3649365604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4065639463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4065633463) 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, 2032819731 + 2032819732.

It is an arithmetic number, because the mean of its divisors is an integer number (2032819732).

Almost surely, 2^4065639463 is an apocalyptic number.

4065639463 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065639463 is an equidigital number, since it uses as much as digits as its factorization.

4065639463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The square root of 4065639463 is about 63762.3671376777. The cubic root of 4065639463 is about 1596.0369973134.

The spelling of 4065639463 in words is "four billion, sixty-five million, six hundred thirty-nine thousand, four hundred sixty-three".