24543040001 has 2 divisors, whose sum is σ = 24543040002. Its totient is φ = 24543040000.

The previous prime is 24543039979. The next prime is 24543040003. The reversal of 24543040001 is 10004034542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24194247025 + 348792976 = 155545^2 + 18676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24543040001 is a prime.

Together with 24543040003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24543040003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12271520000 + 12271520001.

It is an arithmetic number, because the mean of its divisors is an integer number (12271520001).

Almost surely, 2^24543040001 is an apocalyptic number.

It is an amenable number.

24543040001 is a deficient number, since it is larger than the sum of its proper divisors (1).

24543040001 is an equidigital number, since it uses as much as digits as its factorization.

24543040001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 24543040001 its reverse (10004034542), we get a palindrome (34547074543).

The spelling of 24543040001 in words is "twenty-four billion, five hundred forty-three million, forty thousand, one".