6865228869409 has 4 divisors (see below), whose sum is σ = 6865341683904. Its totient is φ = 6865116054916.

The previous prime is 6865228869407. The next prime is 6865228869419. The reversal of 6865228869409 is 9049688225686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6865228869409 - 2¹ = 6865228869407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6865228869407) 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, 56315917 + ... + 56437690.

It is an arithmetic number, because the mean of its divisors is an integer number (1716335420976).

Almost surely, 2^{6865228869409} is an apocalyptic number.

It is an amenable number.

6865228869409 is a deficient number, since it is larger than the sum of its proper divisors (112814495).

6865228869409 is a wasteful number, since it uses less digits than its factorization.

6865228869409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112814494.

The product of its (nonzero) digits is 716636160, while the sum is 73.

The spelling of 6865228869409 in words is "six trillion, eight hundred sixty-five billion, two hundred twenty-eight million, eight hundred sixty-nine thousand, four hundred nine".