581461249327 has 16 divisors (see below), whose sum is σ = 668814849792. Its totient is φ = 495188527680.

The previous prime is 581461249307. The next prime is 581461249381. The reversal of 581461249327 is 723942164185.

581461249327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 581461249327 - 2¹⁵ = 581461216559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581461249307) 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, 407563 + ... + 1152835.

It is an arithmetic number, because the mean of its divisors is an integer number (41800928112).

Almost surely, 2^581461249327 is an apocalyptic number.

581461249327 is a deficient number, since it is larger than the sum of its proper divisors (87353600465).

581461249327 is a wasteful number, since it uses less digits than its factorization.

581461249327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745998.

The product of its digits is 2903040, while the sum is 52.

The spelling of 581461249327 in words is "five hundred eighty-one billion, four hundred sixty-one million, two hundred forty-nine thousand, three hundred twenty-seven".