5243415642 has 24 divisors (see below), whose sum is σ = 11368109844. Its totient is φ = 1746670464.

The previous prime is 5243415623. The next prime is 5243415647. The reversal of 5243415642 is 2465143425.

5243415642 is a `hidden beast` number, since 5 + 2 + 4 + 3 + 4 + 1 + 5 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4866318081 + 377097561 = 69759^2 + 19419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5243415597 and 5243415606.

It is not an unprimeable number, because it can be changed into a prime (5243415647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65833 + ... + 121740.

Almost surely, 2^5243415642 is an apocalyptic number.

5243415642 is an abundant number, since it is smaller than the sum of its proper divisors (6124694202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5243415642 is a wasteful number, since it uses less digits than its factorization.

5243415642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189134 (or 189131 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 5243415642 is about 72411.4330889812. The cubic root of 5243415642 is about 1737.2864342305.

The spelling of 5243415642 in words is "five billion, two hundred forty-three million, four hundred fifteen thousand, six hundred forty-two".