24640555504651 has 2 divisors, whose sum is σ = 24640555504652. Its totient is φ = 24640555504650.

The previous prime is 24640555504627. The next prime is 24640555504679. The reversal of 24640555504651 is 15640555504642.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24640555504651 - 2⁵ = 24640555504619 is a prime.

It is not a weakly prime, because it can be changed into another prime (24640555504451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12320277752325 + 12320277752326.

It is an arithmetic number, because the mean of its divisors is an integer number (12320277752326).

Almost surely, 2^{24640555504651} is an apocalyptic number.

24640555504651 is a deficient number, since it is larger than the sum of its proper divisors (1).

24640555504651 is an equidigital number, since it uses as much as digits as its factorization.

24640555504651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400000, while the sum is 52.

Subtracting from 24640555504651 its reverse (15640555504642), we obtain a palindrome (9000000000009).

The spelling of 24640555504651 in words is "twenty-four trillion, six hundred forty billion, five hundred fifty-five million, five hundred four thousand, six hundred fifty-one".