581904862481 has 16 divisors (see below), whose sum is σ = 620965699200. Its totient is φ = 543382544640.

The previous prime is 581904862457. The next prime is 581904862501. The reversal of 581904862481 is 184268409185.

581904862481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 581904862481 - 2¹⁸ = 581904600337 is a prime.

It is a super-2 number, since 2×581904862481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (581904862681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11999375 + ... + 12047771.

It is an arithmetic number, because the mean of its divisors is an integer number (38810356200).

Almost surely, 2^581904862481 is an apocalyptic number.

It is an amenable number.

581904862481 is a deficient number, since it is larger than the sum of its proper divisors (39060836719).

581904862481 is a wasteful number, since it uses less digits than its factorization.

581904862481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53944.

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 581904862481 in words is "five hundred eighty-one billion, nine hundred four million, eight hundred sixty-two thousand, four hundred eighty-one".