3659946669 has 12 divisors (see below), whose sum is σ = 5350284576. Its totient is φ = 2410566792.

The previous prime is 3659946659. The next prime is 3659946671. The reversal of 3659946669 is 9666499563.

It is not a de Polignac number, because 3659946669 - 2⁸ = 3659946413 is a prime.

It is a super-2 number, since 2×3659946669² = 26790419239848391122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659946629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2449017 + ... + 2450510.

It is an arithmetic number, because the mean of its divisors is an integer number (445857048).

Almost surely, 2^3659946669 is an apocalyptic number.

It is an amenable number.

3659946669 is a deficient number, since it is larger than the sum of its proper divisors (1690337907).

3659946669 is a wasteful number, since it uses less digits than its factorization.

3659946669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899616 (or 4899613 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 63.

The square root of 3659946669 is about 60497.4930802922. The cubic root of 3659946669 is about 1541.0790589142.

The spelling of 3659946669 in words is "three billion, six hundred fifty-nine million, nine hundred forty-six thousand, six hundred sixty-nine".