6397670205 has 48 divisors (see below), whose sum is σ = 11277789120. Its totient is φ = 3354303744.

The previous prime is 6397670189. The next prime is 6397670207. The reversal of 6397670205 is 5020767936.

6397670205 is a `hidden beast` number, since 639 + 7 + 6 + 7 + 0 + 2 + 0 + 5 = 666.

It is not a de Polignac number, because 6397670205 - 2⁴ = 6397670189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397670207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1695561 + ... + 1699329.

It is an arithmetic number, because the mean of its divisors is an integer number (234953940).

Almost surely, 2^6397670205 is an apocalyptic number.

It is an amenable number.

6397670205 is a deficient number, since it is larger than the sum of its proper divisors (4880118915).

6397670205 is a wasteful number, since it uses less digits than its factorization.

6397670205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 6397670205 is about 79985.4374558269. The cubic root of 6397670205 is about 1856.4102154675.

The spelling of 6397670205 in words is "six billion, three hundred ninety-seven million, six hundred seventy thousand, two hundred five".