581434343339 has 4 divisors (see below), whose sum is σ = 581528144400. Its totient is φ = 581340542280.

The previous prime is 581434343333. The next prime is 581434343341. The reversal of 581434343339 is 933343434185.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933343434185 = 5 ⋅186668686837.

It is a cyclic number.

It is not a de Polignac number, because 581434343339 - 2²⁴ = 581417566123 is a prime.

It is a super-2 number, since 2×581434343339² (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 (581434343333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46891232 + ... + 46903629.

It is an arithmetic number, because the mean of its divisors is an integer number (145382036100).

Almost surely, 2^581434343339 is an apocalyptic number.

581434343339 is a deficient number, since it is larger than the sum of its proper divisors (93801061).

581434343339 is an equidigital number, since it uses as much as digits as its factorization.

581434343339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93801060.

The product of its digits is 5598720, while the sum is 50.

The spelling of 581434343339 in words is "five hundred eighty-one billion, four hundred thirty-four million, three hundred forty-three thousand, three hundred thirty-nine".