5635662889 has 2 divisors, whose sum is σ = 5635662890. Its totient is φ = 5635662888.

The previous prime is 5635662871. The next prime is 5635662919. The reversal of 5635662889 is 9882665365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5635054489 + 608400 = 75067^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 5635662889 - 2¹⁹ = 5635138601 is a prime.

It is not a weakly prime, because it can be changed into another prime (5635662859) 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, 2817831444 + 2817831445.

It is an arithmetic number, because the mean of its divisors is an integer number (2817831445).

Almost surely, 2^5635662889 is an apocalyptic number.

It is an amenable number.

5635662889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5635662889 is an equidigital number, since it uses as much as digits as its factorization.

5635662889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18662400, while the sum is 58.

The square root of 5635662889 is about 75071.0522704990. The cubic root of 5635662889 is about 1779.5696987259.

The spelling of 5635662889 in words is "five billion, six hundred thirty-five million, six hundred sixty-two thousand, eight hundred eighty-nine".