5000323406581 has 8 divisors (see below), whose sum is σ = 5163795724544. Its totient is φ = 4836986811360.

The previous prime is 5000323406563. The next prime is 5000323406591. The reversal of 5000323406581 is 1856043230005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5000323406581 - 2⁷ = 5000323406453 is a prime.

It is a super-2 number, since 2×5000323406581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5000323406581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000323406591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33855795 + ... + 34003168.

It is an arithmetic number, because the mean of its divisors is an integer number (645474465568).

Almost surely, 2^{5000323406581} is an apocalyptic number.

It is an amenable number.

5000323406581 is a deficient number, since it is larger than the sum of its proper divisors (163472317963).

5000323406581 is a wasteful number, since it uses less digits than its factorization.

5000323406581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67861371.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 5000323406581 its reverse (1856043230005), we get a palindrome (6856366636586).

The spelling of 5000323406581 in words is "five trillion, three hundred twenty-three million, four hundred six thousand, five hundred eighty-one".