24534419989 has 2 divisors, whose sum is σ = 24534419990. Its totient is φ = 24534419988.

The previous prime is 24534419983. The next prime is 24534420017. The reversal of 24534419989 is 98991443542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12744152100 + 11790267889 = 112890^2 + 108583^2 .

It is a cyclic number.

It is not a de Polignac number, because 24534419989 - 2⁹ = 24534419477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24534419983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12267209994 + 12267209995.

It is an arithmetic number, because the mean of its divisors is an integer number (12267209995).

Almost surely, 2^24534419989 is an apocalyptic number.

It is an amenable number.

24534419989 is a deficient number, since it is larger than the sum of its proper divisors (1).

24534419989 is an equidigital number, since it uses as much as digits as its factorization.

24534419989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 58.

The spelling of 24534419989 in words is "twenty-four billion, five hundred thirty-four million, four hundred nineteen thousand, nine hundred eighty-nine".