6347132389 has 4 divisors (see below), whose sum is σ = 6835373356. Its totient is φ = 5858891424.

The previous prime is 6347132227. The next prime is 6347132399. The reversal of 6347132389 is 9832317436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2193329889 + 4153802500 = 46833^2 + 64450^2 .

It is a cyclic number.

It is not a de Polignac number, because 6347132389 - 2¹³ = 6347124197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6347132399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244120464 + ... + 244120489.

It is an arithmetic number, because the mean of its divisors is an integer number (1708843339).

Almost surely, 2^6347132389 is an apocalyptic number.

It is an amenable number.

6347132389 is a deficient number, since it is larger than the sum of its proper divisors (488240967).

6347132389 is a wasteful number, since it uses less digits than its factorization.

6347132389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488240966.

The product of its digits is 653184, while the sum is 46.

The square root of 6347132389 is about 79668.8922290250. The cubic root of 6347132389 is about 1851.5091060129.

The spelling of 6347132389 in words is "six billion, three hundred forty-seven million, one hundred thirty-two thousand, three hundred eighty-nine".