6432635663 has 2 divisors, whose sum is σ = 6432635664. Its totient is φ = 6432635662.

The previous prime is 6432635647. The next prime is 6432635669. The reversal of 6432635663 is 3665362346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6432635663 - 2⁴ = 6432635647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6432635669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216317831 + 3216317832.

It is an arithmetic number, because the mean of its divisors is an integer number (3216317832).

Almost surely, 2^6432635663 is an apocalyptic number.

6432635663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6432635663 is an equidigital number, since it uses as much as digits as its factorization.

6432635663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 44.

The square root of 6432635663 is about 80203.7135237515. The cubic root of 6432635663 is about 1859.7860453594.

The spelling of 6432635663 in words is "six billion, four hundred thirty-two million, six hundred thirty-five thousand, six hundred sixty-three".