24648066839 has 4 divisors (see below), whose sum is σ = 26888800200. Its totient is φ = 22407333480.

The previous prime is 24648066829. The next prime is 24648066847. The reversal of 24648066839 is 93866084642.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 24648066839 - 2¹² = 24648062743 is a prime.

It is a super-2 number, since 2×24648066839² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24648066829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120366664 + ... + 1120366685.

It is an arithmetic number, because the mean of its divisors is an integer number (6722200050).

Almost surely, 2^24648066839 is an apocalyptic number.

24648066839 is a deficient number, since it is larger than the sum of its proper divisors (2240733361).

24648066839 is a wasteful number, since it uses less digits than its factorization.

24648066839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240733360.

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 24648066839 in words is "twenty-four billion, six hundred forty-eight million, sixty-six thousand, eight hundred thirty-nine".