5643552637 has 2 divisors, whose sum is σ = 5643552638. Its totient is φ = 5643552636.

The previous prime is 5643552623. The next prime is 5643552641. The reversal of 5643552637 is 7362553465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3674056996 + 1969495641 = 60614^2 + 44379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5643552637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5643552667) 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, 2821776318 + 2821776319.

It is an arithmetic number, because the mean of its divisors is an integer number (2821776319).

Almost surely, 2^5643552637 is an apocalyptic number.

It is an amenable number.

5643552637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643552637 is an equidigital number, since it uses as much as digits as its factorization.

5643552637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268000, while the sum is 46.

The square root of 5643552637 is about 75123.5824292213. The cubic root of 5643552637 is about 1780.3997584025.

The spelling of 5643552637 in words is "five billion, six hundred forty-three million, five hundred fifty-two thousand, six hundred thirty-seven".