3601613439065 has 12 divisors (see below), whose sum is σ = 4518016408164. Its totient is φ = 2756017238304.

The previous prime is 3601613439041. The next prime is 3601613439077. The reversal of 3601613439065 is 5609343161063.

It can be written as a sum of positive squares in 2 ways, for example, as 1646348176201 + 1955265262864 = 1283101^2 + 1398308^2 .

It is not a de Polignac number, because 3601613439065 - 2²⁰ = 3601612390489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680831654 + ... + 680836943.

It is an arithmetic number, because the mean of its divisors is an integer number (376501367347).

Almost surely, 2^{3601613439065} is an apocalyptic number.

It is an amenable number.

3601613439065 is a deficient number, since it is larger than the sum of its proper divisors (916402969099).

3601613439065 is a wasteful number, since it uses less digits than its factorization.

3601613439065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361668648 (or 1361668625 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 47.

The spelling of 3601613439065 in words is "three trillion, six hundred one billion, six hundred thirteen million, four hundred thirty-nine thousand, sixty-five".