3647983061 has 8 divisors (see below), whose sum is σ = 3719502264. Its totient is φ = 3576841920.

The previous prime is 3647983043. The next prime is 3647983091. The reversal of 3647983061 is 1603897463.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107019025 + 3540964036 = 10345^2 + 59506^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3647983061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3647982997 and 3647983015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3647983021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74990 + ... + 113663.

It is an arithmetic number, because the mean of its divisors is an integer number (464937783).

Almost surely, 2^3647983061 is an apocalyptic number.

It is an amenable number.

3647983061 is a deficient number, since it is larger than the sum of its proper divisors (71519203).

3647983061 is a wasteful number, since it uses less digits than its factorization.

3647983061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189031.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 3647983061 is about 60398.5352554182. The cubic root of 3647983061 is about 1539.3980698403.

The spelling of 3647983061 in words is "three billion, six hundred forty-seven million, nine hundred eighty-three thousand, sixty-one".