6436113597 has 12 divisors (see below), whose sum is σ = 9388655484. Its totient is φ = 4248259200.

The previous prime is 6436113583. The next prime is 6436113613. The reversal of 6436113597 is 7953116346.

It is a happy number.

6436113597 is a `hidden beast` number, since 6 + 43 + 6 + 1 + 13 + 597 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5617352601 + 818760996 = 74949^2 + 28614^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6436113597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6436115597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3539308 + ... + 3541125.

It is an arithmetic number, because the mean of its divisors is an integer number (782387957).

Almost surely, 2^6436113597 is an apocalyptic number.

It is an amenable number.

6436113597 is a deficient number, since it is larger than the sum of its proper divisors (2952541887).

6436113597 is a wasteful number, since it uses less digits than its factorization.

6436113597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080540 (or 7080537 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 6436113597 is about 80225.3924702148. The cubic root of 6436113597 is about 1860.1211618957.

The spelling of 6436113597 in words is "six billion, four hundred thirty-six million, one hundred thirteen thousand, five hundred ninety-seven".