5636018645 has 16 divisors (see below), whose sum is σ = 6838026048. Its totient is φ = 4459015680.

The previous prime is 5636018587. The next prime is 5636018681. The reversal of 5636018645 is 5468106365.

It is not a de Polignac number, because 5636018645 - 2¹⁸ = 5635756501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5636018596 and 5636018605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805010 + ... + 811980.

It is an arithmetic number, because the mean of its divisors is an integer number (427376628).

Almost surely, 2^5636018645 is an apocalyptic number.

It is an amenable number.

5636018645 is a deficient number, since it is larger than the sum of its proper divisors (1202007403).

5636018645 is a wasteful number, since it uses less digits than its factorization.

5636018645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 5636018645 is about 75073.4216950313. The cubic root of 5636018645 is about 1779.6071435536.

The spelling of 5636018645 in words is "five billion, six hundred thirty-six million, eighteen thousand, six hundred forty-five".