3609996200001 has 45 divisors (see below), whose sum is σ = 5446340991091. Its totient is φ = 2382963545808.

The previous prime is 3609996199969. The next prime is 3609996200011. The reversal of 3609996200001 is 1000026999063.

It is a happy number.

The square root of 3609996200001 is 1899999.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 776416511025 + 2833579688976 = 881145^2 + 1683324^2 .

It is not a de Polignac number, because 3609996200001 - 2⁵ = 3609996199969 is a prime.

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 3609996200001.

It is not an unprimeable number, because it can be changed into a prime (3609996200011) 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 44 ways as a sum of consecutive naturals, for example, 1829698051 + ... + 1829700023.

Almost surely, 2^{3609996200001} is an apocalyptic number.

3609996200001 is the 1899999-th square number.

3609996200001 is the 950000-th centered octagonal number.

It is an amenable number.

3609996200001 is a deficient number, since it is larger than the sum of its proper divisors (1836344791090).

3609996200001 is an frugal number, since it uses more digits than its factorization.

3609996200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

It can be divided in two parts, 36099 and 96200001, that added together give a square (96236100 = 9810²).

The spelling of 3609996200001 in words is "three trillion, six hundred nine billion, nine hundred ninety-six million, two hundred thousand, one".