6809449369 has 8 divisors (see below), whose sum is σ = 6856775712. Its totient is φ = 6762191040.

The previous prime is 6809449357. The next prime is 6809449379. The reversal of 6809449369 is 9639449086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6809449369 - 2¹⁷ = 6809318297 is a prime.

It is a super-2 number, since 2×6809449369² = 92737201417948996322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6809449379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192849 + ... + 225409.

It is an arithmetic number, because the mean of its divisors is an integer number (857096964).

Almost surely, 2^6809449369 is an apocalyptic number.

It is an amenable number.

6809449369 is a deficient number, since it is larger than the sum of its proper divisors (47326343).

6809449369 is a wasteful number, since it uses less digits than its factorization.

6809449369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34007.

The product of its (nonzero) digits is 10077696, while the sum is 58.

The square root of 6809449369 is about 82519.3878370411. The cubic root of 6809449369 is about 1895.4136257572.

The spelling of 6809449369 in words is "six billion, eight hundred nine million, four hundred forty-nine thousand, three hundred sixty-nine".