3648285961 has 4 divisors (see below), whose sum is σ = 3648631300. Its totient is φ = 3647940624.

The previous prime is 3648285929. The next prime is 3648285973. The reversal of 3648285961 is 1695828463.

3648285961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 315417600 + 3332868361 = 17760^2 + 57731^2 .

It is a cyclic number.

It is not a de Polignac number, because 3648285961 - 2⁵ = 3648285929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3648285899 and 3648285908.

It is not an unprimeable number, because it can be changed into a prime (3648285911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156306 + ... + 178123.

It is an arithmetic number, because the mean of its divisors is an integer number (912157825).

Almost surely, 2^3648285961 is an apocalyptic number.

It is an amenable number.

3648285961 is a deficient number, since it is larger than the sum of its proper divisors (345339).

3648285961 is a wasteful number, since it uses less digits than its factorization.

3648285961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345338.

The product of its digits is 2488320, while the sum is 52.

The square root of 3648285961 is about 60401.0427145095. The cubic root of 3648285961 is about 1539.4406751890.

The spelling of 3648285961 in words is "three billion, six hundred forty-eight million, two hundred eighty-five thousand, nine hundred sixty-one".