6395197536 has 480 divisors, whose sum is σ = 24383842560. Its totient is φ = 1596754944.

The previous prime is 6395197531. The next prime is 6395197573. The reversal of 6395197536 is 6357915936.

6395197536 is a `hidden beast` number, since 6 + 3 + 95 + 19 + 7 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6395197531) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4480855 + ... + 4482281.

It is an arithmetic number, because the mean of its divisors is an integer number (50799672).

Almost surely, 2^6395197536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6395197536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12191921280).

6395197536 is an abundant number, since it is smaller than the sum of its proper divisors (17988645024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6395197536 is a wasteful number, since it uses less digits than its factorization.

6395197536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1471 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 54.

The square root of 6395197536 is about 79969.9789671099. The cubic root of 6395197536 is about 1856.1710200862.

The spelling of 6395197536 in words is "six billion, three hundred ninety-five million, one hundred ninety-seven thousand, five hundred thirty-six".