24818481881 has 2 divisors, whose sum is σ = 24818481882. Its totient is φ = 24818481880.

The previous prime is 24818481839. The next prime is 24818481949. The reversal of 24818481881 is 18818481842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24798375625 + 20106256 = 157475^2 + 4484^2 .

It is a cyclic number.

It is not a de Polignac number, because 24818481881 - 2⁶ = 24818481817 is a prime.

It is a super-2 number, since 2×24818481881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24818481481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12409240940 + 12409240941.

It is an arithmetic number, because the mean of its divisors is an integer number (12409240941).

Almost surely, 2^24818481881 is an apocalyptic number.

It is an amenable number.

24818481881 is a deficient number, since it is larger than the sum of its proper divisors (1).

24818481881 is an equidigital number, since it uses as much as digits as its factorization.

24818481881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1048576, while the sum is 53.

The spelling of 24818481881 in words is "twenty-four billion, eight hundred eighteen million, four hundred eighty-one thousand, eight hundred eighty-one".