5638361853 has 16 divisors (see below), whose sum is σ = 7918257600. Its totient is φ = 3558925440.

The previous prime is 5638361789. The next prime is 5638361863. The reversal of 5638361853 is 3581638365.

It is not a de Polignac number, because 5638361853 - 2⁶ = 5638361789 is a prime.

It is a super-2 number, since 2×5638361853² = 63582248770731187218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638361863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68473 + ... + 126353.

It is an arithmetic number, because the mean of its divisors is an integer number (494891100).

Almost surely, 2^5638361853 is an apocalyptic number.

It is an amenable number.

5638361853 is a deficient number, since it is larger than the sum of its proper divisors (2279895747).

5638361853 is a wasteful number, since it uses less digits than its factorization.

5638361853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59612.

The product of its digits is 1555200, while the sum is 48.

The square root of 5638361853 is about 75089.0261822591. The cubic root of 5638361853 is about 1779.8537367720.

The spelling of 5638361853 in words is "five billion, six hundred thirty-eight million, three hundred sixty-one thousand, eight hundred fifty-three".