6855340763 has 4 divisors (see below), whose sum is σ = 7258596120. Its totient is φ = 6452085408.

The previous prime is 6855340741. The next prime is 6855340781. The reversal of 6855340763 is 3670435586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3670435586 = 2 ⋅1835217793.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6855340763 is a prime.

It is a super-3 number, since 3×6855340763³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6855340783) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 201627653 + ... + 201627686.

It is an arithmetic number, because the mean of its divisors is an integer number (1814649030).

Almost surely, 2^6855340763 is an apocalyptic number.

6855340763 is a deficient number, since it is larger than the sum of its proper divisors (403255357).

6855340763 is a wasteful number, since it uses less digits than its factorization.

6855340763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403255356.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The square root of 6855340763 is about 82796.9852289321. The cubic root of 6855340763 is about 1899.6620602105.

The spelling of 6855340763 in words is "six billion, eight hundred fifty-five million, three hundred forty thousand, seven hundred sixty-three".