3659697663 has 8 divisors (see below), whose sum is σ = 4885294128. Its totient is φ = 2436949824.

The previous prime is 3659697649. The next prime is 3659697667. The reversal of 3659697663 is 3667969563.

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

It is not a de Polignac number, because 3659697663 - 2⁵ = 3659697631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3659697597 and 3659697606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659697667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709156 + ... + 714297.

It is an arithmetic number, because the mean of its divisors is an integer number (610661766).

Almost surely, 2^3659697663 is an apocalyptic number.

3659697663 is a deficient number, since it is larger than the sum of its proper divisors (1225596465).

3659697663 is a wasteful number, since it uses less digits than its factorization.

3659697663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424313.

The product of its digits is 33067440, while the sum is 60.

The square root of 3659697663 is about 60495.4350591844. The cubic root of 3659697663 is about 1541.0441088025.

The spelling of 3659697663 in words is "three billion, six hundred fifty-nine million, six hundred ninety-seven thousand, six hundred sixty-three".