5635662871 has 2 divisors, whose sum is σ = 5635662872. Its totient is φ = 5635662870.

The previous prime is 5635662863. The next prime is 5635662889. The reversal of 5635662871 is 1782665365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5635662871 - 2³ = 5635662863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5635662271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2817831435 + 2817831436.

It is an arithmetic number, because the mean of its divisors is an integer number (2817831436).

Almost surely, 2^5635662871 is an apocalyptic number.

5635662871 is a deficient number, since it is larger than the sum of its proper divisors (1).

5635662871 is an equidigital number, since it uses as much as digits as its factorization.

5635662871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 49.

The square root of 5635662871 is about 75071.0521506126. The cubic root of 5635662871 is about 1779.5696968313.

The spelling of 5635662871 in words is "five billion, six hundred thirty-five million, six hundred sixty-two thousand, eight hundred seventy-one".