24525870849 has 20 divisors (see below), whose sum is σ = 36694646340. Its totient is φ = 16325038080.

The previous prime is 24525870823. The next prime is 24525870931. The reversal of 24525870849 is 94807852542.

24525870849 is a `hidden beast` number, since 2 + 4 + 52 + 587 + 0 + 8 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23671361025 + 854509824 = 153855^2 + 29232^2 .

It is not a de Polignac number, because 24525870849 - 2¹⁵ = 24525838081 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 24525870795 and 24525870804.

It is not an unprimeable number, because it can be changed into a prime (24525870349) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 184264 + ... + 288105.

It is an arithmetic number, because the mean of its divisors is an integer number (1834732317).

Almost surely, 2^24525870849 is an apocalyptic number.

It is an amenable number.

24525870849 is a deficient number, since it is larger than the sum of its proper divisors (12168775491).

24525870849 is an equidigital number, since it uses as much as digits as its factorization.

24525870849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473022 (or 473013 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 24525870849 in words is "twenty-four billion, five hundred twenty-five million, eight hundred seventy thousand, eight hundred forty-nine".