13824823638 has 16 divisors (see below), whose sum is σ = 27691997616. Its totient is φ = 4601216160.

The previous prime is 13824823603. The next prime is 13824823651. The reversal of 13824823638 is 83632842831.

It is a happy number.

It is a super-2 number, since 2×13824823638² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760353 + ... + 1768188.

It is an arithmetic number, because the mean of its divisors is an integer number (1730749851).

Almost surely, 2^13824823638 is an apocalyptic number.

13824823638 is an abundant number, since it is smaller than the sum of its proper divisors (13867173978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13824823638 is a wasteful number, since it uses less digits than its factorization.

13824823638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529199.

The product of its digits is 1327104, while the sum is 48.

The spelling of 13824823638 in words is "thirteen billion, eight hundred twenty-four million, eight hundred twenty-three thousand, six hundred thirty-eight".