6838696355209 has 4 divisors (see below), whose sum is σ = 6876901362960. Its totient is φ = 6800491347460.

The previous prime is 6838696355131. The next prime is 6838696355221. The reversal of 6838696355209 is 9025536968386.

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 6838696355209 - 2⁹ = 6838696354697 is a prime.

It is a super-2 number, since 2×6838696355209² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6838696355269) 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, 19102503607 + ... + 19102503964.

It is an arithmetic number, because the mean of its divisors is an integer number (1719225340740).

Almost surely, 2^{6838696355209} is an apocalyptic number.

It is an amenable number.

6838696355209 is a deficient number, since it is larger than the sum of its proper divisors (38205007751).

6838696355209 is a wasteful number, since it uses less digits than its factorization.

6838696355209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38205007750.

The product of its (nonzero) digits is 503884800, while the sum is 70.

The spelling of 6838696355209 in words is "six trillion, eight hundred thirty-eight billion, six hundred ninety-six million, three hundred fifty-five thousand, two hundred nine".