24232542409 has 2 divisors, whose sum is σ = 24232542410. Its totient is φ = 24232542408.

The previous prime is 24232542401. The next prime is 24232542421. The reversal of 24232542409 is 90424523242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19800711225 + 4431831184 = 140715^2 + 66572^2 .

It is a cyclic number.

It is not a de Polignac number, because 24232542409 - 2³ = 24232542401 is a prime.

It is a super-2 number, since 2×24232542409² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24232542401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12116271204 + 12116271205.

It is an arithmetic number, because the mean of its divisors is an integer number (12116271205).

Almost surely, 2^24232542409 is an apocalyptic number.

It is an amenable number.

24232542409 is a deficient number, since it is larger than the sum of its proper divisors (1).

24232542409 is an equidigital number, since it uses as much as digits as its factorization.

24232542409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 24232542409 in words is "twenty-four billion, two hundred thirty-two million, five hundred forty-two thousand, four hundred nine".