5636402189 has 4 divisors (see below), whose sum is σ = 6148802400. Its totient is φ = 5124001980.

The previous prime is 5636402179. The next prime is 5636402221. The reversal of 5636402189 is 9812046365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5636402189 - 2⁸ = 5636401933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636402119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256200089 + ... + 256200110.

It is an arithmetic number, because the mean of its divisors is an integer number (1537200600).

Almost surely, 2^5636402189 is an apocalyptic number.

It is an amenable number.

5636402189 is a deficient number, since it is larger than the sum of its proper divisors (512400211).

5636402189 is a wasteful number, since it uses less digits than its factorization.

5636402189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512400210.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 5636402189 is about 75075.9761108705. The cubic root of 5636402189 is about 1779.6475114210.

The spelling of 5636402189 in words is "five billion, six hundred thirty-six million, four hundred two thousand, one hundred eighty-nine".