24722728099 has 2 divisors, whose sum is σ = 24722728100. Its totient is φ = 24722728098.

The previous prime is 24722728081. The next prime is 24722728111. The reversal of 24722728099 is 99082722742.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24722728099 - 2¹⁷ = 24722597027 is a prime.

It is a super-2 number, since 2×24722728099² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24722728999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12361364049 + 12361364050.

It is an arithmetic number, because the mean of its divisors is an integer number (12361364050).

Almost surely, 2^24722728099 is an apocalyptic number.

24722728099 is a deficient number, since it is larger than the sum of its proper divisors (1).

24722728099 is an equidigital number, since it uses as much as digits as its factorization.

24722728099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 24722728099 in words is "twenty-four billion, seven hundred twenty-two million, seven hundred twenty-eight thousand, ninety-nine".