6867561369 has 16 divisors (see below), whose sum is σ = 9674046720. Its totient is φ = 4326443520.

The previous prime is 6867561367. The next prime is 6867561373. The reversal of 6867561369 is 9631657686.

It is not a de Polignac number, because 6867561369 - 2¹ = 6867561367 is a prime.

It is a super-2 number, since 2×6867561369² = 94326798313962308322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6867561361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835672 + ... + 843849.

It is an arithmetic number, because the mean of its divisors is an integer number (604627920).

Almost surely, 2^6867561369 is an apocalyptic number.

It is an amenable number.

6867561369 is a deficient number, since it is larger than the sum of its proper divisors (2806485351).

6867561369 is a wasteful number, since it uses less digits than its factorization.

6867561369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679600.

The product of its digits is 9797760, while the sum is 57.

The square root of 6867561369 is about 82870.7509860988. The cubic root of 6867561369 is about 1900.7901947721.

The spelling of 6867561369 in words is "six billion, eight hundred sixty-seven million, five hundred sixty-one thousand, three hundred sixty-nine".