24640752613 has 2 divisors, whose sum is σ = 24640752614. Its totient is φ = 24640752612.

The previous prime is 24640752611. The next prime is 24640752641. The reversal of 24640752613 is 31625704642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24455329924 + 185422689 = 156382^2 + 13617^2 .

It is a cyclic number.

It is not a de Polignac number, because 24640752613 - 2¹ = 24640752611 is a prime.

Together with 24640752611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24640752611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12320376306 + 12320376307.

It is an arithmetic number, because the mean of its divisors is an integer number (12320376307).

Almost surely, 2^24640752613 is an apocalyptic number.

It is an amenable number.

24640752613 is a deficient number, since it is larger than the sum of its proper divisors (1).

24640752613 is an equidigital number, since it uses as much as digits as its factorization.

24640752613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 24640752613 in words is "twenty-four billion, six hundred forty million, seven hundred fifty-two thousand, six hundred thirteen".