4631438505843 has 6 divisors (see below), whose sum is σ = 6689855619564. Its totient is φ = 3087625670556.

The previous prime is 4631438505791. The next prime is 4631438505899. The reversal of 4631438505843 is 3485058341364.

4631438505843 is a `hidden beast` number, since 4 + 6 + 3 + 1 + 4 + 3 + 8 + 50 + 584 + 3 = 666.

It is not a de Polignac number, because 4631438505843 - 2²⁰ = 4631437457267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4631438505843.

It is not an unprimeable number, because it can be changed into a prime (4631438501843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257302139205 + ... + 257302139222.

It is an arithmetic number, because the mean of its divisors is an integer number (1114975936594).

Almost surely, 2^{4631438505843} is an apocalyptic number.

4631438505843 is a deficient number, since it is larger than the sum of its proper divisors (2058417113721).

4631438505843 is a wasteful number, since it uses less digits than its factorization.

4631438505843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514604278433 (or 514604278430 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 4631438505843 in words is "four trillion, six hundred thirty-one billion, four hundred thirty-eight million, five hundred five thousand, eight hundred forty-three".