6396949071 has 6 divisors (see below), whose sum is σ = 9240037560. Its totient is φ = 4264632708.

The previous prime is 6396949049. The next prime is 6396949073. The reversal of 6396949071 is 1709496936.

6396949071 is a `hidden beast` number, since 63 + 96 + 9 + 490 + 7 + 1 = 666.

It is not a de Polignac number, because 6396949071 - 2⁶ = 6396949007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6396948999 and 6396949017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396949073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355386051 + ... + 355386068.

It is an arithmetic number, because the mean of its divisors is an integer number (1540006260).

Almost surely, 2^6396949071 is an apocalyptic number.

6396949071 is a deficient number, since it is larger than the sum of its proper divisors (2843088489).

6396949071 is a wasteful number, since it uses less digits than its factorization.

6396949071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710772125 (or 710772122 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 6396949071 is about 79980.9294207063. The cubic root of 6396949071 is about 1856.3404624281.

The spelling of 6396949071 in words is "six billion, three hundred ninety-six million, nine hundred forty-nine thousand, seventy-one".