3669889663 has 16 divisors (see below), whose sum is σ = 4048257024. Its totient is φ = 3299153760.

The previous prime is 3669889661. The next prime is 3669889679.

3669889663 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3669889663 - 2¹ = 3669889661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3669889595 and 3669889604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669889661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438706 + ... + 446992.

It is an arithmetic number, because the mean of its divisors is an integer number (253016064).

Almost surely, 2^3669889663 is an apocalyptic number.

3669889663 is a deficient number, since it is larger than the sum of its proper divisors (378367361).

3669889663 is a wasteful number, since it uses less digits than its factorization.

3669889663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742.

The product of its digits is 60466176, while the sum is 64.

The square root of 3669889663 is about 60579.6142526510. The cubic root of 3669889663 is about 1542.4733492467.

The spelling of 3669889663 in words is "three billion, six hundred sixty-nine million, eight hundred eighty-nine thousand, six hundred sixty-three".