6856504383 has 4 divisors (see below), whose sum is σ = 9142005848. Its totient is φ = 4571002920.

The previous prime is 6856504381. The next prime is 6856504387. The reversal of 6856504383 is 3834056586.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6856504383 - 2¹ = 6856504381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856504381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142750728 + ... + 1142750733.

It is an arithmetic number, because the mean of its divisors is an integer number (2285501462).

Almost surely, 2^6856504383 is an apocalyptic number.

6856504383 is a deficient number, since it is larger than the sum of its proper divisors (2285501465).

6856504383 is a wasteful number, since it uses less digits than its factorization.

6856504383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285501464.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The square root of 6856504383 is about 82804.0118774447. The cubic root of 6856504383 is about 1899.7695364973.

The spelling of 6856504383 in words is "six billion, eight hundred fifty-six million, five hundred four thousand, three hundred eighty-three".