6431343246 has 128 divisors (see below), whose sum is σ = 14946877440. Its totient is φ = 2048385024.

The previous prime is 6431343221. The next prime is 6431343257. The reversal of 6431343246 is 6423431346.

6431343246 is a `hidden beast` number, since 64 + 313 + 43 + 246 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6431343246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33322926 + ... + 33323118.

It is an arithmetic number, because the mean of its divisors is an integer number (116772480).

Almost surely, 2^6431343246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6431343246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7473438720).

6431343246 is an abundant number, since it is smaller than the sum of its proper divisors (8515534194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6431343246 is a wasteful number, since it uses less digits than its factorization.

6431343246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 6431343246 is about 80195.6560294883. The cubic root of 6431343246 is about 1859.6614836598.

The spelling of 6431343246 in words is "six billion, four hundred thirty-one million, three hundred forty-three thousand, two hundred forty-six".