3612000005 has 4 divisors (see below), whose sum is σ = 4334400012. Its totient is φ = 2889600000.

The previous prime is 3611999917. The next prime is 3612000019. The reversal of 3612000005 is 5000002163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5000002163 = 13 ⋅384615551.

It can be written as a sum of positive squares in 2 ways, for example, as 2699114209 + 912885796 = 51953^2 + 30214^2 .

It is not a de Polignac number, because 3612000005 - 2¹⁴ = 3611983621 is a prime.

It is a super-2 number, since 2×3612000005² = 26093088072240000050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361199996 + ... + 361200005.

It is an arithmetic number, because the mean of its divisors is an integer number (1083600003).

Almost surely, 2^3612000005 is an apocalyptic number.

It is an amenable number.

3612000005 is a deficient number, since it is larger than the sum of its proper divisors (722400007).

3612000005 is an equidigital number, since it uses as much as digits as its factorization.

3612000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722400006.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3612000005 is about 60099.9168468643. The cubic root of 3612000005 is about 1534.3198867189.

Adding to 3612000005 its reverse (5000002163), we get a palindrome (8612002168).

The spelling of 3612000005 in words is "three billion, six hundred twelve million, five", and thus it is an aban number.