24715232749 has 2 divisors, whose sum is σ = 24715232750. Its totient is φ = 24715232748.

The previous prime is 24715232683. The next prime is 24715232767. The reversal of 24715232749 is 94723251742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23937659524 + 777573225 = 154718^2 + 27885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24715232749 is a prime.

It is a super-2 number, since 2×24715232749² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24715232699 and 24715232708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24715232779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12357616374 + 12357616375.

It is an arithmetic number, because the mean of its divisors is an integer number (12357616375).

Almost surely, 2^24715232749 is an apocalyptic number.

It is an amenable number.

24715232749 is a deficient number, since it is larger than the sum of its proper divisors (1).

24715232749 is an equidigital number, since it uses as much as digits as its factorization.

24715232749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The spelling of 24715232749 in words is "twenty-four billion, seven hundred fifteen million, two hundred thirty-two thousand, seven hundred forty-nine".