3826534509 has 18 divisors (see below), whose sum is σ = 6429619950. Its totient is φ = 2186590896.

The previous prime is 3826534493. The next prime is 3826534529. The reversal of 3826534509 is 9054356283.

3826534509 is a `hidden beast` number, since 3 + 82 + 65 + 3 + 4 + 509 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3734432100 + 92102409 = 61110^2 + 9597^2 .

It is not a de Polignac number, because 3826534509 - 2⁴ = 3826534493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3826534529) 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 17 ways as a sum of consecutive naturals, for example, 4338034 + ... + 4338915.

Almost surely, 2^3826534509 is an apocalyptic number.

It is an amenable number.

3826534509 is a deficient number, since it is larger than the sum of its proper divisors (2603085441).

3826534509 is a wasteful number, since it uses less digits than its factorization.

3826534509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676969 (or 8676959 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 3826534509 is about 61858.9889102627. The cubic root of 3826534509 is about 1564.1145094707.

The spelling of 3826534509 in words is "three billion, eight hundred twenty-six million, five hundred thirty-four thousand, five hundred nine".