5329646581 has 8 divisors (see below), whose sum is σ = 6092076224. Its totient is φ = 4567479840.

The previous prime is 5329646563. The next prime is 5329646603. The reversal of 5329646581 is 1856469235.

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

It is not a de Polignac number, because 5329646581 - 2²⁵ = 5296092149 is a prime.

It is a super-2 number, since 2×5329646581² = 56810265356729979122, 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 (5329647581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20175 + ... + 105196.

It is an arithmetic number, because the mean of its divisors is an integer number (761509528).

Almost surely, 2^5329646581 is an apocalyptic number.

It is an amenable number.

5329646581 is a deficient number, since it is larger than the sum of its proper divisors (762429643).

5329646581 is a wasteful number, since it uses less digits than its factorization.

5329646581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131451.

The product of its digits is 1555200, while the sum is 49.

The square root of 5329646581 is about 73004.4285026600. The cubic root of 5329646581 is about 1746.7582523206.

The spelling of 5329646581 in words is "five billion, three hundred twenty-nine million, six hundred forty-six thousand, five hundred eighty-one".