5643206507 has 2 divisors, whose sum is σ = 5643206508. Its totient is φ = 5643206506.

The previous prime is 5643206501. The next prime is 5643206509. The reversal of 5643206507 is 7056023465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5643206507 - 2¹⁰ = 5643205483 is a prime.

It is a super-3 number, since 3×5643206507³ (a number of 30 digits) contains 333 as substring.

Together with 5643206509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5643206501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821603253 + 2821603254.

It is an arithmetic number, because the mean of its divisors is an integer number (2821603254).

Almost surely, 2^5643206507 is an apocalyptic number.

5643206507 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643206507 is an equidigital number, since it uses as much as digits as its factorization.

5643206507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 5643206507 is about 75121.2786565830. The cubic root of 5643206507 is about 1780.3633592047.

The spelling of 5643206507 in words is "five billion, six hundred forty-three million, two hundred six thousand, five hundred seven".