6845199365 has 8 divisors (see below), whose sum is σ = 8369225208. Its totient is φ = 5372835520.

The previous prime is 6845199359. The next prime is 6845199371. The reversal of 6845199365 is 5639915486.

It is an interprime number because it is at equal distance from previous prime (6845199359) and next prime (6845199371).

It can be written as a sum of positive squares in 4 ways, for example, as 536709889 + 6308489476 = 23167^2 + 79426^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-6845199365 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6845199365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12915206 + ... + 12915735.

It is an arithmetic number, because the mean of its divisors is an integer number (1046153151).

Almost surely, 2^6845199365 is an apocalyptic number.

It is an amenable number.

6845199365 is a deficient number, since it is larger than the sum of its proper divisors (1524025843).

6845199365 is a wasteful number, since it uses less digits than its factorization.

6845199365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25830999.

The product of its digits is 6998400, while the sum is 56.

The square root of 6845199365 is about 82735.7200065365. The cubic root of 6845199365 is about 1898.7248475341.

The spelling of 6845199365 in words is "six billion, eight hundred forty-five million, one hundred ninety-nine thousand, three hundred sixty-five".