581409221132 has 12 divisors (see below), whose sum is σ = 1017492870240. Its totient is φ = 290696972496.

The previous prime is 581409221039. The next prime is 581409221153. The reversal of 581409221132 is 231122904185.

It is a super-2 number, since 2×581409221132² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736507 + ... + 2044082.

It is an arithmetic number, because the mean of its divisors is an integer number (84791072520).

Almost surely, 2^581409221132 is an apocalyptic number.

It is an amenable number.

581409221132 is a deficient number, since it is larger than the sum of its proper divisors (436083649108).

581409221132 is a wasteful number, since it uses less digits than its factorization.

581409221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819040 (or 3819038 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 581409221132 in words is "five hundred eighty-one billion, four hundred nine million, two hundred twenty-one thousand, one hundred thirty-two".