24705045557 has 2 divisors, whose sum is σ = 24705045558. Its totient is φ = 24705045556.

The previous prime is 24705045539. The next prime is 24705045559. The reversal of 24705045557 is 75554050742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23258080036 + 1446965521 = 152506^2 + 38039^2 .

It is a cyclic number.

It is not a de Polignac number, because 24705045557 - 2¹⁶ = 24704980021 is a prime.

It is a super-2 number, since 2×24705045557² (a number of 22 digits) contains 22 as substring.

Together with 24705045559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24705045559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12352522778 + 12352522779.

It is an arithmetic number, because the mean of its divisors is an integer number (12352522779).

Almost surely, 2^24705045557 is an apocalyptic number.

It is an amenable number.

24705045557 is a deficient number, since it is larger than the sum of its proper divisors (1).

24705045557 is an equidigital number, since it uses as much as digits as its factorization.

24705045557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980000, while the sum is 44.

The spelling of 24705045557 in words is "twenty-four billion, seven hundred five million, forty-five thousand, five hundred fifty-seven".