4067431663 has 4 divisors (see below), whose sum is σ = 4198639168. Its totient is φ = 3936224160.

The previous prime is 4067431649. The next prime is 4067431681. The reversal of 4067431663 is 3661347604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4067431663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4067431633) 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 in 3 ways as a sum of consecutive naturals, for example, 65603706 + ... + 65603767.

It is an arithmetic number, because the mean of its divisors is an integer number (1049659792).

Almost surely, 2^4067431663 is an apocalyptic number.

4067431663 is a deficient number, since it is larger than the sum of its proper divisors (131207505).

4067431663 is a wasteful number, since it uses less digits than its factorization.

4067431663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131207504.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 4067431663 is about 63776.4193334809. The cubic root of 4067431663 is about 1596.2714825508.

The spelling of 4067431663 in words is "four billion, sixty-seven million, four hundred thirty-one thousand, six hundred sixty-three".