5271038685 has 256 divisors, whose sum is σ = 11325726720. Its totient is φ = 2299207680.

The previous prime is 5271038671. The next prime is 5271038687. The reversal of 5271038685 is 5868301725.

5271038685 is a `hidden beast` number, since 527 + 10 + 38 + 6 + 85 = 666.

It is not a de Polignac number, because 5271038685 - 2⁶ = 5271038621 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5271038685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271038687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 54340557 + ... + 54340653.

It is an arithmetic number, because the mean of its divisors is an integer number (44241120).

Almost surely, 2^5271038685 is an apocalyptic number.

5271038685 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5271038685 is an abundant number, since it is smaller than the sum of its proper divisors (6054688035).

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

5271038685 is a wasteful number, since it uses less digits than its factorization.

5271038685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 5271038685 is about 72601.9192928121. The cubic root of 5271038685 is about 1740.3318481218.

The spelling of 5271038685 in words is "five billion, two hundred seventy-one million, thirty-eight thousand, six hundred eighty-five".