6895133855 has 4 divisors (see below), whose sum is σ = 8274160632. Its totient is φ = 5516107080.

The previous prime is 6895133849. The next prime is 6895133899. The reversal of 6895133855 is 5583315986.

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

It is not a de Polignac number, because 6895133855 - 2⁸ = 6895133599 is a prime.

It is a super-2 number, since 2×6895133855² = 95085741756734322050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6895133797 and 6895133806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689513381 + ... + 689513390.

It is an arithmetic number, because the mean of its divisors is an integer number (2068540158).

Almost surely, 2^6895133855 is an apocalyptic number.

6895133855 is a deficient number, since it is larger than the sum of its proper divisors (1379026777).

6895133855 is a wasteful number, since it uses less digits than its factorization.

6895133855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379026776.

The product of its digits is 3888000, while the sum is 53.

The square root of 6895133855 is about 83036.9427122651. The cubic root of 6895133855 is about 1903.3306175326.

The spelling of 6895133855 in words is "six billion, eight hundred ninety-five million, one hundred thirty-three thousand, eight hundred fifty-five".