5686432521 has 16 divisors (see below), whose sum is σ = 9452771328. Its totient is φ = 2953990800.

The previous prime is 5686432511. The next prime is 5686432553. The reversal of 5686432521 is 1252346865.

It is not a de Polignac number, because 5686432521 - 2⁵ = 5686432489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5686432501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12308065 + ... + 12308526.

It is an arithmetic number, because the mean of its divisors is an integer number (590798208).

Almost surely, 2^5686432521 is an apocalyptic number.

It is an amenable number.

5686432521 is a deficient number, since it is larger than the sum of its proper divisors (3766338807).

5686432521 is a wasteful number, since it uses less digits than its factorization.

5686432521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24616612.

The product of its digits is 345600, while the sum is 42.

The square root of 5686432521 is about 75408.4379960227. The cubic root of 5686432521 is about 1784.8975631884.

The spelling of 5686432521 in words is "five billion, six hundred eighty-six million, four hundred thirty-two thousand, five hundred twenty-one".