6347997436 has 12 divisors (see below), whose sum is σ = 12118904280. Its totient is φ = 2885453360.

The previous prime is 6347997431. The next prime is 6347997449.

6347997436 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6347997431) 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 3 ways as a sum of consecutive naturals, for example, 72136291 + ... + 72136378.

It is an arithmetic number, because the mean of its divisors is an integer number (1009908690).

Almost surely, 2^6347997436 is an apocalyptic number.

It is an amenable number.

6347997436 is a deficient number, since it is larger than the sum of its proper divisors (5770906844).

6347997436 is a wasteful number, since it uses less digits than its factorization.

6347997436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144272684 (or 144272682 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 58.

The square root of 6347997436 is about 79674.3210576658. The cubic root of 6347997436 is about 1851.5932158935.

The spelling of 6347997436 in words is "six billion, three hundred forty-seven million, nine hundred ninety-seven thousand, four hundred thirty-six".