24233540561 has 2 divisors, whose sum is σ = 24233540562. Its totient is φ = 24233540560.

The previous prime is 24233540549. The next prime is 24233540567. The reversal of 24233540561 is 16504533242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19872258961 + 4361281600 = 140969^2 + 66040^2 .

It is a cyclic number.

It is not a de Polignac number, because 24233540561 - 2¹⁸ = 24233278417 is a prime.

It is not a weakly prime, because it can be changed into another prime (24233540567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12116770280 + 12116770281.

It is an arithmetic number, because the mean of its divisors is an integer number (12116770281).

Almost surely, 2^24233540561 is an apocalyptic number.

It is an amenable number.

24233540561 is a deficient number, since it is larger than the sum of its proper divisors (1).

24233540561 is an equidigital number, since it uses as much as digits as its factorization.

24233540561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 24233540561 in words is "twenty-four billion, two hundred thirty-three million, five hundred forty thousand, five hundred sixty-one".