24434842538 has 4 divisors (see below), whose sum is σ = 36652263810. Its totient is φ = 12217421268.

The previous prime is 24434842483. The next prime is 24434842541. The reversal of 24434842538 is 83524843442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83524843442 = 2 ⋅41762421721.

It can be written as a sum of positive squares in only one way, i.e., 22200106009 + 2234736529 = 148997^2 + 47273^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24434842492 and 24434842501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6108710633 + ... + 6108710636.

Almost surely, 2^24434842538 is an apocalyptic number.

24434842538 is a deficient number, since it is larger than the sum of its proper divisors (12217421272).

24434842538 is a wasteful number, since it uses less digits than its factorization.

24434842538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12217421271.

The product of its digits is 2949120, while the sum is 47.

The spelling of 24434842538 in words is "twenty-four billion, four hundred thirty-four million, eight hundred forty-two thousand, five hundred thirty-eight".