24557149229 has 2 divisors, whose sum is σ = 24557149230. Its totient is φ = 24557149228.

The previous prime is 24557149187. The next prime is 24557149249. The reversal of 24557149229 is 92294175542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13453680100 + 11103469129 = 115990^2 + 105373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24557149229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24557149249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12278574614 + 12278574615.

It is an arithmetic number, because the mean of its divisors is an integer number (12278574615).

Almost surely, 2^24557149229 is an apocalyptic number.

It is an amenable number.

24557149229 is a deficient number, since it is larger than the sum of its proper divisors (1).

24557149229 is an equidigital number, since it uses as much as digits as its factorization.

24557149229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 50.

The spelling of 24557149229 in words is "twenty-four billion, five hundred fifty-seven million, one hundred forty-nine thousand, two hundred twenty-nine".