24529140749 has 2 divisors, whose sum is σ = 24529140750. Its totient is φ = 24529140748.

The previous prime is 24529140743. The next prime is 24529140767. The reversal of 24529140749 is 94704192542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16749018724 + 7780122025 = 129418^2 + 88205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24529140749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24529140743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12264570374 + 12264570375.

It is an arithmetic number, because the mean of its divisors is an integer number (12264570375).

Almost surely, 2^24529140749 is an apocalyptic number.

It is an amenable number.

24529140749 is a deficient number, since it is larger than the sum of its proper divisors (1).

24529140749 is an equidigital number, since it uses as much as digits as its factorization.

24529140749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 24529140749 in words is "twenty-four billion, five hundred twenty-nine million, one hundred forty thousand, seven hundred forty-nine".