3669881647 has 8 divisors (see below), whose sum is σ = 4019749200. Its totient is φ = 3334902144.

The previous prime is 3669881639. The next prime is 3669881671. The reversal of 3669881647 is 7461889663.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3669881647 - 2³ = 3669881639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3669881591 and 3669881600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669881687) 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, 3721497 + ... + 3722482.

It is an arithmetic number, because the mean of its divisors is an integer number (502468650).

Almost surely, 2^3669881647 is an apocalyptic number.

3669881647 is a deficient number, since it is larger than the sum of its proper divisors (349867553).

3669881647 is a wasteful number, since it uses less digits than its factorization.

3669881647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444025.

The product of its digits is 10450944, while the sum is 58.

The square root of 3669881647 is about 60579.5480917446. The cubic root of 3669881647 is about 1542.4722261906.

The spelling of 3669881647 in words is "three billion, six hundred sixty-nine million, eight hundred eighty-one thousand, six hundred forty-seven".