5543612639 has 2 divisors, whose sum is σ = 5543612640. Its totient is φ = 5543612638.

The previous prime is 5543612623. The next prime is 5543612689. The reversal of 5543612639 is 9362163455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5543612639 - 2⁴ = 5543612623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5543612639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5543612689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771806319 + 2771806320.

It is an arithmetic number, because the mean of its divisors is an integer number (2771806320).

Almost surely, 2^5543612639 is an apocalyptic number.

5543612639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5543612639 is an equidigital number, since it uses as much as digits as its factorization.

5543612639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The square root of 5543612639 is about 74455.4406272638. The cubic root of 5543612639 is about 1769.8275805321.

The spelling of 5543612639 in words is "five billion, five hundred forty-three million, six hundred twelve thousand, six hundred thirty-nine".