3446641663 has 4 divisors (see below), whose sum is σ = 3454022520. Its totient is φ = 3439260808.

The previous prime is 3446641657. The next prime is 3446641687. The reversal of 3446641663 is 3661466443.

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 3446641663 - 2⁵ = 3446641631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3446641603) 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, 3689728 + ... + 3690661.

It is an arithmetic number, because the mean of its divisors is an integer number (863505630).

Almost surely, 2^3446641663 is an apocalyptic number.

3446641663 is a deficient number, since it is larger than the sum of its proper divisors (7380857).

3446641663 is an equidigital number, since it uses as much as digits as its factorization.

3446641663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380856.

The product of its digits is 746496, while the sum is 43.

The square root of 3446641663 is about 58708.1055988013. The cubic root of 3446641663 is about 1510.5393542757.

The spelling of 3446641663 in words is "three billion, four hundred forty-six million, six hundred forty-one thousand, six hundred sixty-three".