5239105857 has 12 divisors (see below), whose sum is σ = 7615800660. Its totient is φ = 3470489568.

The previous prime is 5239105811. The next prime is 5239105873. The reversal of 5239105857 is 7585019325.

5239105857 is a `hidden beast` number, since 52 + 3 + 9 + 10 + 585 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 627201936 + 4611903921 = 25044^2 + 67911^2 .

It is not a de Polignac number, because 5239105857 - 2¹⁸ = 5238843713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5239105357) 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, 1852482 + ... + 1855307.

It is an arithmetic number, because the mean of its divisors is an integer number (634650055).

Almost surely, 2^5239105857 is an apocalyptic number.

It is an amenable number.

5239105857 is a deficient number, since it is larger than the sum of its proper divisors (2376694803).

5239105857 is a wasteful number, since it uses less digits than its factorization.

5239105857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707952 (or 3707949 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 5239105857 is about 72381.6679622679. The cubic root of 5239105857 is about 1736.8103207040.

The spelling of 5239105857 in words is "five billion, two hundred thirty-nine million, one hundred five thousand, eight hundred fifty-seven".