6838309969 has 4 divisors (see below), whose sum is σ = 7198221040. Its totient is φ = 6478398900.

The previous prime is 6838309957. The next prime is 6838310029. The reversal of 6838309969 is 9699038386.

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 6838309969 - 2⁵ = 6838309937 is a prime.

It is a super-2 number, since 2×6838309969² = 93524966464249561922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6838309949) 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, 179955507 + ... + 179955544.

It is an arithmetic number, because the mean of its divisors is an integer number (1799555260).

Almost surely, 2^6838309969 is an apocalyptic number.

It is an amenable number.

6838309969 is a deficient number, since it is larger than the sum of its proper divisors (359911071).

6838309969 is a wasteful number, since it uses less digits than its factorization.

6838309969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359911070.

The product of its (nonzero) digits is 15116544, while the sum is 61.

The square root of 6838309969 is about 82694.0745700682. The cubic root of 6838309969 is about 1898.0876390013.

The spelling of 6838309969 in words is "six billion, eight hundred thirty-eight million, three hundred nine thousand, nine hundred sixty-nine".