5238319905 has 192 divisors, whose sum is σ = 12091742208. Its totient is φ = 2034892800.

The previous prime is 5238319883. The next prime is 5238319937. The reversal of 5238319905 is 5099138325.

5238319905 is a `hidden beast` number, since 523 + 8 + 31 + 9 + 90 + 5 = 666.

It is not a de Polignac number, because 5238319905 - 2⁹ = 5238319393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3271105 + ... + 3272705.

It is an arithmetic number, because the mean of its divisors is an integer number (62977824).

Almost surely, 2^5238319905 is an apocalyptic number.

It is an amenable number.

5238319905 is an abundant number, since it is smaller than the sum of its proper divisors (6853422303).

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

5238319905 is a wasteful number, since it uses less digits than its factorization.

5238319905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 5238319905 is about 72376.2385386254. The cubic root of 5238319905 is about 1736.7234663279.

The spelling of 5238319905 in words is "five billion, two hundred thirty-eight million, three hundred nineteen thousand, nine hundred five".