24661045489 has 2 divisors, whose sum is σ = 24661045490. Its totient is φ = 24661045488.

The previous prime is 24661045471. The next prime is 24661045517. The reversal of 24661045489 is 98454016642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20511109089 + 4149936400 = 143217^2 + 64420^2 .

It is a cyclic number.

It is not a de Polignac number, because 24661045489 - 2⁵ = 24661045457 is a prime.

It is a super-2 number, since 2×24661045489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24661045429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12330522744 + 12330522745.

It is an arithmetic number, because the mean of its divisors is an integer number (12330522745).

Almost surely, 2^24661045489 is an apocalyptic number.

It is an amenable number.

24661045489 is a deficient number, since it is larger than the sum of its proper divisors (1).

24661045489 is an equidigital number, since it uses as much as digits as its factorization.

24661045489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 24661045489 in words is "twenty-four billion, six hundred sixty-one million, forty-five thousand, four hundred eighty-nine".