3990580663 has 4 divisors (see below), whose sum is σ = 4225320720. Its totient is φ = 3755840608.

The previous prime is 3990580609. The next prime is 3990580673. The reversal of 3990580663 is 3660850993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3990580663 - 2⁹ = 3990580151 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990580673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117370003 + ... + 117370036.

It is an arithmetic number, because the mean of its divisors is an integer number (1056330180).

Almost surely, 2^3990580663 is an apocalyptic number.

3990580663 is a deficient number, since it is larger than the sum of its proper divisors (234740057).

3990580663 is a wasteful number, since it uses less digits than its factorization.

3990580663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234740056.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 3990580663 is about 63171.0429152472. The cubic root of 3990580663 is about 1586.1540505062.

The spelling of 3990580663 in words is "three billion, nine hundred ninety million, five hundred eighty thousand, six hundred sixty-three".