5643630407 has 2 divisors, whose sum is σ = 5643630408. Its totient is φ = 5643630406.

The previous prime is 5643630389. The next prime is 5643630479. The reversal of 5643630407 is 7040363465.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5643630407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5643630007) 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, 2821815203 + 2821815204.

It is an arithmetic number, because the mean of its divisors is an integer number (2821815204).

Almost surely, 2^5643630407 is an apocalyptic number.

5643630407 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643630407 is an equidigital number, since it uses as much as digits as its factorization.

5643630407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 5643630407 is about 75124.1000411985. The cubic root of 5643630407 is about 1780.4079365285.

The spelling of 5643630407 in words is "five billion, six hundred forty-three million, six hundred thirty thousand, four hundred seven".