3835723505 has 4 divisors (see below), whose sum is σ = 4602868212. Its totient is φ = 3068578800.

The previous prime is 3835723459. The next prime is 3835723519. The reversal of 3835723505 is 5053275383.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2174916496 + 1660807009 = 46636^2 + 40753^2 .

It is not a de Polignac number, because 3835723505 - 2¹⁰ = 3835722481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 383572346 + ... + 383572355.

It is an arithmetic number, because the mean of its divisors is an integer number (1150717053).

Almost surely, 2^3835723505 is an apocalyptic number.

It is an amenable number.

3835723505 is a deficient number, since it is larger than the sum of its proper divisors (767144707).

3835723505 is an equidigital number, since it uses as much as digits as its factorization.

3835723505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767144706.

The product of its (nonzero) digits is 378000, while the sum is 41.

The square root of 3835723505 is about 61933.2181062796. The cubic root of 3835723505 is about 1565.3655241504.

Adding to 3835723505 its reverse (5053275383), we get a palindrome (8888998888).

The spelling of 3835723505 in words is "three billion, eight hundred thirty-five million, seven hundred twenty-three thousand, five hundred five".