24421424249 has 4 divisors (see below), whose sum is σ = 25209212160. Its totient is φ = 23633636340.

The previous prime is 24421424231. The next prime is 24421424281. The reversal of 24421424249 is 94242412442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94242412442 = 2 ⋅47121206221.

It is a cyclic number.

It is not a de Polignac number, because 24421424249 - 2¹⁶ = 24421358713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24421423249) 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, 393893909 + ... + 393893970.

It is an arithmetic number, because the mean of its divisors is an integer number (6302303040).

Almost surely, 2^24421424249 is an apocalyptic number.

It is an amenable number.

24421424249 is a deficient number, since it is larger than the sum of its proper divisors (787787911).

24421424249 is an equidigital number, since it uses as much as digits as its factorization.

24421424249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787787910.

The product of its digits is 147456, while the sum is 38.

The spelling of 24421424249 in words is "twenty-four billion, four hundred twenty-one million, four hundred twenty-four thousand, two hundred forty-nine".