3826499521 has 8 divisors (see below), whose sum is σ = 4145231720. Its totient is φ = 3532151376.

The previous prime is 3826499503. The next prime is 3826499533. The reversal of 3826499521 is 1259946283.

3826499521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1416769600 + 2409729921 = 37640^2 + 49089^2 .

It is not a de Polignac number, because 3826499521 - 2⁷ = 3826499393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3826499021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868650 + ... + 873043.

It is an arithmetic number, because the mean of its divisors is an integer number (518153965).

Almost surely, 2^3826499521 is an apocalyptic number.

It is an amenable number.

3826499521 is a deficient number, since it is larger than the sum of its proper divisors (318732199).

3826499521 is an equidigital number, since it uses as much as digits as its factorization.

3826499521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741732 (or 1741706 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 3826499521 is about 61858.7061051231. The cubic root of 3826499521 is about 1564.1097422847.

The spelling of 3826499521 in words is "three billion, eight hundred twenty-six million, four hundred ninety-nine thousand, five hundred twenty-one".