6395944761 has 20 divisors (see below), whose sum is σ = 9559242000. Its totient is φ = 4261818456.

The previous prime is 6395944741. The next prime is 6395944817. The reversal of 6395944761 is 1674495936.

6395944761 is a `hidden beast` number, since 6 + 3 + 9 + 594 + 47 + 6 + 1 = 666.

6395944761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6395944761 - 2¹⁷ = 6395813689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6395944698 and 6395944707.

It is not an unprimeable number, because it can be changed into a prime (6395944741) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 151210 + ... + 188828.

It is an arithmetic number, because the mean of its divisors is an integer number (477962100).

Almost surely, 2^6395944761 is an apocalyptic number.

It is an amenable number.

6395944761 is a deficient number, since it is larger than the sum of its proper divisors (3163297239).

6395944761 is a wasteful number, since it uses less digits than its factorization.

6395944761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39730 (or 39721 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 6395944761 is about 79974.6507400939. The cubic root of 6395944761 is about 1856.2433099239.

The spelling of 6395944761 in words is "six billion, three hundred ninety-five million, nine hundred forty-four thousand, seven hundred sixty-one".