581434342862 has 16 divisors (see below), whose sum is σ = 881029698432. Its totient is φ = 287771383800.

The previous prime is 581434342859. The next prime is 581434342891. The reversal of 581434342862 is 268243434185.

It is a self number, because there is not a number n which added to its sum of digits gives 581434342862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3316088 + ... + 3487019.

It is an arithmetic number, because the mean of its divisors is an integer number (55064356152).

Almost surely, 2^581434342862 is an apocalyptic number.

581434342862 is a deficient number, since it is larger than the sum of its proper divisors (299595355570).

581434342862 is a wasteful number, since it uses less digits than its factorization.

581434342862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803543.

The product of its digits is 4423680, while the sum is 50.

The spelling of 581434342862 in words is "five hundred eighty-one billion, four hundred thirty-four million, three hundred forty-two thousand, eight hundred sixty-two".