6463949131 has 8 divisors (see below), whose sum is σ = 6805915280. Its totient is φ = 6122158848.

The previous prime is 6463949111. The next prime is 6463949153. The reversal of 6463949131 is 1319493646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6463949131 - 2⁹ = 6463948619 is a prime.

It is a super-2 number, since 2×6463949131² = 83565276736311310322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6463949111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35155 + ... + 119011.

It is an arithmetic number, because the mean of its divisors is an integer number (850739410).

Almost surely, 2^6463949131 is an apocalyptic number.

6463949131 is a deficient number, since it is larger than the sum of its proper divisors (341966149).

6463949131 is a wasteful number, since it uses less digits than its factorization.

6463949131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87933.

The product of its digits is 419904, while the sum is 46.

The square root of 6463949131 is about 80398.6886149270. The cubic root of 6463949131 is about 1862.7989166108.

The spelling of 6463949131 in words is "six billion, four hundred sixty-three million, nine hundred forty-nine thousand, one hundred thirty-one".