47309808242 has 64 divisors (see below), whose sum is σ = 77959173600. Its totient is φ = 21476689920.

The previous prime is 47309808241. The next prime is 47309808251. The reversal of 47309808242 is 24280890374.

It can be written as a sum of positive squares in 16 ways, for example, as 5722771201 + 41587037041 = 75649^2 + 203929^2 .

It is a super-2 number, since 2×47309808242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47309808241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9588008 + ... + 9592940.

Almost surely, 2^47309808242 is an apocalyptic number.

47309808242 is a deficient number, since it is larger than the sum of its proper divisors (30649365358).

47309808242 is a wasteful number, since it uses less digits than its factorization.

47309808242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 47309808242 in words is "forty-seven billion, three hundred nine million, eight hundred eight thousand, two hundred forty-two".