6871438245 has 64 divisors (see below), whose sum is σ = 12823050240. Its totient is φ = 3077077248.

The previous prime is 6871438201. The next prime is 6871438253. The reversal of 6871438245 is 5428341786.

It is not a de Polignac number, because 6871438245 - 2⁹ = 6871437733 is a prime.

It is a super-3 number, since 3×6871438245³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6871438194 and 6871438203.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 1900059 + ... + 1903671.

It is an arithmetic number, because the mean of its divisors is an integer number (200360160).

Almost surely, 2^6871438245 is an apocalyptic number.

It is an amenable number.

6871438245 is a deficient number, since it is larger than the sum of its proper divisors (5951611995).

6871438245 is a wasteful number, since it uses less digits than its factorization.

6871438245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994.

The product of its digits is 1290240, while the sum is 48.

The square root of 6871438245 is about 82894.1387855619. The cubic root of 6871438245 is about 1901.1478055383.

The spelling of 6871438245 in words is "six billion, eight hundred seventy-one million, four hundred thirty-eight thousand, two hundred forty-five".