24342425021 has 8 divisors (see below), whose sum is σ = 24691927800. Its totient is φ = 23993356032.

The previous prime is 24342425011. The next prime is 24342425071. The reversal of 24342425021 is 12052424342.

It can be written as a sum of positive squares in 4 ways, for example, as 2992900 + 24339432121 = 1730^2 + 156011^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24342425021 - 2⁶ = 24342424957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24342425011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5441 + ... + 220713.

It is an arithmetic number, because the mean of its divisors is an integer number (3086490975).

Almost surely, 2^24342425021 is an apocalyptic number.

It is an amenable number.

24342425021 is a deficient number, since it is larger than the sum of its proper divisors (349502779).

24342425021 is a wasteful number, since it uses less digits than its factorization.

24342425021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216895.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 24342425021 its reverse (12052424342), we get a palindrome (36394849363).

The spelling of 24342425021 in words is "twenty-four billion, three hundred forty-two million, four hundred twenty-five thousand, twenty-one".