5638698443 has 16 divisors (see below), whose sum is σ = 6481231296. Its totient is φ = 4805498880.

The previous prime is 5638698413. The next prime is 5638698463. The reversal of 5638698443 is 3448968365.

It is a happy number.

It is not a de Polignac number, because 5638698443 - 2⁸ = 5638698187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5638698413) 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 in 15 ways as a sum of consecutive naturals, for example, 919355 + ... + 925467.

It is an arithmetic number, because the mean of its divisors is an integer number (405076956).

Almost surely, 2^5638698443 is an apocalyptic number.

5638698443 is a deficient number, since it is larger than the sum of its proper divisors (842532853).

5638698443 is a wasteful number, since it uses less digits than its factorization.

5638698443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854.

The product of its digits is 14929920, while the sum is 56.

The square root of 5638698443 is about 75091.2674217182. The cubic root of 5638698443 is about 1779.8891530308.

The spelling of 5638698443 in words is "five billion, six hundred thirty-eight million, six hundred ninety-eight thousand, four hundred forty-three".