3821479513 has 8 divisors (see below), whose sum is σ = 3837961800. Its totient is φ = 3805029888.

The previous prime is 3821479499. The next prime is 3821479517. The reversal of 3821479513 is 3159741283.

3821479513 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 51151104 + 3770328409 = 7152^2 + 61403^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3821479513 - 2¹⁷ = 3821348441 is a prime.

It is a super-4 number, since 4×3821479513⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3821479513.

It is not an unprimeable number, because it can be changed into a prime (3821479517) 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, 242643 + ... + 257911.

It is an arithmetic number, because the mean of its divisors is an integer number (479745225).

Almost surely, 2^3821479513 is an apocalyptic number.

It is an amenable number.

3821479513 is a deficient number, since it is larger than the sum of its proper divisors (16482287).

3821479513 is a wasteful number, since it uses less digits than its factorization.

3821479513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16331.

The product of its digits is 181440, while the sum is 43.

The square root of 3821479513 is about 61818.1163818504. The cubic root of 3821479513 is about 1563.4254545950.

The spelling of 3821479513 in words is "three billion, eight hundred twenty-one million, four hundred seventy-nine thousand, five hundred thirteen".