3613500801 has 10 divisors (see below), whose sum is σ = 5397945762. Its totient is φ = 2409000480.

The previous prime is 3613500791. The next prime is 3613500817. The reversal of 3613500801 is 1080053163.

It can be written as a sum of positive squares in only one way, i.e., 2507605776 + 1105895025 = 50076^2 + 33255^2 .

It is not a de Polignac number, because 3613500801 - 2¹¹ = 3613498753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3613500001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22305480 + ... + 22305641.

Almost surely, 2^3613500801 is an apocalyptic number.

It is an amenable number.

3613500801 is a deficient number, since it is larger than the sum of its proper divisors (1784444961).

3613500801 is an equidigital number, since it uses as much as digits as its factorization.

3613500801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44611133 (or 44611124 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 3613500801 is about 60112.4013910607. The cubic root of 3613500801 is about 1534.5323620136.

Adding to 3613500801 its reverse (1080053163), we get a palindrome (4693553964).

The spelling of 3613500801 in words is "three billion, six hundred thirteen million, five hundred thousand, eight hundred one".