5723909581 has 8 divisors (see below), whose sum is σ = 6488642720. Its totient is φ = 5005523952.

The previous prime is 5723909573. The next prime is 5723909593. The reversal of 5723909581 is 1859093275.

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

It is not a de Polignac number, because 5723909581 - 2³ = 5723909573 is a prime.

It is a super-2 number, since 2×5723909581² = 65526281782927191122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5723909501) 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, 11586615 + ... + 11587108.

It is an arithmetic number, because the mean of its divisors is an integer number (811080340).

Almost surely, 2^5723909581 is an apocalyptic number.

It is an amenable number.

5723909581 is a deficient number, since it is larger than the sum of its proper divisors (764733139).

5723909581 is a wasteful number, since it uses less digits than its factorization.

5723909581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23173755.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 5723909581 is about 75656.5237173900. The cubic root of 5723909581 is about 1788.8101682613.

The spelling of 5723909581 in words is "five billion, seven hundred twenty-three million, nine hundred nine thousand, five hundred eighty-one".