6368448131 has 4 divisors (see below), whose sum is σ = 6368703912. Its totient is φ = 6368192352.

The previous prime is 6368448091. The next prime is 6368448137. The reversal of 6368448131 is 1318448636.

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

It is a cyclic number.

It is not a de Polignac number, because 6368448131 - 2⁶ = 6368448067 is a prime.

It is a super-2 number, since 2×6368448131² = 81114263194474786322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6368448137) 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, 85961 + ... + 141866.

It is an arithmetic number, because the mean of its divisors is an integer number (1592175978).

Almost surely, 2^6368448131 is an apocalyptic number.

6368448131 is a deficient number, since it is larger than the sum of its proper divisors (255781).

6368448131 is a wasteful number, since it uses less digits than its factorization.

6368448131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255780.

The product of its digits is 331776, while the sum is 44.

The square root of 6368448131 is about 79802.5571708075. The cubic root of 6368448131 is about 1853.5794473900.

The spelling of 6368448131 in words is "six billion, three hundred sixty-eight million, four hundred forty-eight thousand, one hundred thirty-one".