6431510968 has 8 divisors (see below), whose sum is σ = 12059083080. Its totient is φ = 3215755480.

The previous prime is 6431510959. The next prime is 6431510983. The reversal of 6431510968 is 8690151346.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401969428 + ... + 401969443.

It is an arithmetic number, because the mean of its divisors is an integer number (1507385385).

Almost surely, 2^6431510968 is an apocalyptic number.

It is an amenable number.

6431510968 is a deficient number, since it is larger than the sum of its proper divisors (5627572112).

6431510968 is a wasteful number, since it uses less digits than its factorization.

6431510968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803938877 (or 803938873 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 6431510968 is about 80196.7017276895. The cubic root of 6431510968 is about 1859.6776494601.

The spelling of 6431510968 in words is "six billion, four hundred thirty-one million, five hundred ten thousand, nine hundred sixty-eight".