5238471890 has 8 divisors (see below), whose sum is σ = 9429249420. Its totient is φ = 2095388752.

The previous prime is 5238471827. The next prime is 5238471907. The reversal of 5238471890 is 981748325.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5020997881 + 217474009 = 70859^2 + 14747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261923585 + ... + 261923604.

Almost surely, 2^5238471890 is an apocalyptic number.

5238471890 is a deficient number, since it is larger than the sum of its proper divisors (4190777530).

5238471890 is a wasteful number, since it uses less digits than its factorization.

5238471890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523847196.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 5238471890 is about 72377.2884957705. The cubic root of 5238471890 is about 1736.7402626397.

The spelling of 5238471890 in words is "five billion, two hundred thirty-eight million, four hundred seventy-one thousand, eight hundred ninety".