6199795645 has 8 divisors (see below), whose sum is σ = 7471686456. Its totient is φ = 4938548736.

The previous prime is 6199795597. The next prime is 6199795649. The reversal of 6199795645 is 5465979916.

It can be written as a sum of positive squares in 4 ways, for example, as 541446361 + 5658349284 = 23269^2 + 75222^2 .

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-6199795645 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 (6199795649) 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, 2659692 + ... + 2662021.

It is an arithmetic number, because the mean of its divisors is an integer number (933960807).

Almost surely, 2^6199795645 is an apocalyptic number.

It is an amenable number.

6199795645 is a deficient number, since it is larger than the sum of its proper divisors (1271890811).

6199795645 is a wasteful number, since it uses less digits than its factorization.

6199795645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321951.

The product of its digits is 18370800, while the sum is 61.

The square root of 6199795645 is about 78738.7810738774. The cubic root of 6199795645 is about 1837.0703659947.

The spelling of 6199795645 in words is "six billion, one hundred ninety-nine million, seven hundred ninety-five thousand, six hundred forty-five".