6895445139312 has 40 divisors (see below), whose sum is σ = 17814745743120. Its totient is φ = 2298286556160.

The previous prime is 6895445139293. The next prime is 6895445139377. The reversal of 6895445139312 is 2139315445986.

It is a happy number.

It is a super-2 number, since 2×6895445139312² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5526889 + ... + 6658632.

It is an arithmetic number, because the mean of its divisors is an integer number (445368643578).

Almost surely, 2^{6895445139312} is an apocalyptic number.

It is an amenable number.

6895445139312 is an abundant number, since it is smaller than the sum of its proper divisors (10919300603808).

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

6895445139312 is a wasteful number, since it uses less digits than its factorization.

6895445139312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12197321 (or 12197315 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 60.

The spelling of 6895445139312 in words is "six trillion, eight hundred ninety-five billion, four hundred forty-five million, one hundred thirty-nine thousand, three hundred twelve".