24531454139 has 2 divisors, whose sum is σ = 24531454140. Its totient is φ = 24531454138.

The previous prime is 24531454117. The next prime is 24531454237. The reversal of 24531454139 is 93145413542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24531454139 - 2¹² = 24531450043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24531454096 and 24531454105.

It is not a weakly prime, because it can be changed into another prime (24531454639) 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, 12265727069 + 12265727070.

It is an arithmetic number, because the mean of its divisors is an integer number (12265727070).

Almost surely, 2^24531454139 is an apocalyptic number.

24531454139 is a deficient number, since it is larger than the sum of its proper divisors (1).

24531454139 is an equidigital number, since it uses as much as digits as its factorization.

24531454139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 41.

The spelling of 24531454139 in words is "twenty-four billion, five hundred thirty-one million, four hundred fifty-four thousand, one hundred thirty-nine".