24012420997 has 2 divisors, whose sum is σ = 24012420998. Its totient is φ = 24012420996.

The previous prime is 24012420979. The next prime is 24012421007. The reversal of 24012420997 is 79902421042.

Together with previous prime (24012420979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22500300001 + 1512120996 = 150001^2 + 38886^2 .

It is a cyclic number.

It is not a de Polignac number, because 24012420997 - 2¹¹ = 24012418949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24012421997) 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, 12006210498 + 12006210499.

It is an arithmetic number, because the mean of its divisors is an integer number (12006210499).

Almost surely, 2^24012420997 is an apocalyptic number.

It is an amenable number.

24012420997 is a deficient number, since it is larger than the sum of its proper divisors (1).

24012420997 is an equidigital number, since it uses as much as digits as its factorization.

24012420997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

It can be divided in two parts, 240124 and 20997, that added together give a square (261121 = 511²).

The spelling of 24012420997 in words is "twenty-four billion, twelve million, four hundred twenty thousand, nine hundred ninety-seven".