24523652138 has 4 divisors (see below), whose sum is σ = 36785478210. Its totient is φ = 12261826068.

The previous prime is 24523652099. The next prime is 24523652149. The reversal of 24523652138 is 83125632542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83125632542 = 2 ⋅41562816271.

It can be written as a sum of positive squares in only one way, i.e., 24378762769 + 144889369 = 156137^2 + 12037^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24523652095 and 24523652104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6130913033 + ... + 6130913036.

Almost surely, 2^24523652138 is an apocalyptic number.

24523652138 is a deficient number, since it is larger than the sum of its proper divisors (12261826072).

24523652138 is a wasteful number, since it uses less digits than its factorization.

24523652138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12261826071.

The product of its digits is 345600, while the sum is 41.

The spelling of 24523652138 in words is "twenty-four billion, five hundred twenty-three million, six hundred fifty-two thousand, one hundred thirty-eight".