6844497397 has 8 divisors (see below), whose sum is σ = 6861355200. Its totient is φ = 6827661984.

The previous prime is 6844497329. The next prime is 6844497419. The reversal of 6844497397 is 7937944486.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6844497397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6844497307) 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, 715953 + ... + 725449.

It is an arithmetic number, because the mean of its divisors is an integer number (857669400).

Almost surely, 2^6844497397 is an apocalyptic number.

It is an amenable number.

6844497397 is a deficient number, since it is larger than the sum of its proper divisors (16857803).

6844497397 is an equidigital number, since it uses as much as digits as its factorization.

6844497397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11195.

The product of its digits is 36578304, while the sum is 61.

The square root of 6844497397 is about 82731.4776672096. The cubic root of 6844497397 is about 1898.6599412363.

The spelling of 6844497397 in words is "six billion, eight hundred forty-four million, four hundred ninety-seven thousand, three hundred ninety-seven".