3662649213643 has 8 divisors (see below), whose sum is σ = 4186649963520. Its totient is φ = 3138839750760.

The previous prime is 3662649213637. The next prime is 3662649213673. The reversal of 3662649213643 is 3463129462663.

It is a happy number.

3662649213643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-3662649213643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3662649213673) 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 7 ways as a sum of consecutive naturals, for example, 47780713 + ... + 47857306.

It is an arithmetic number, because the mean of its divisors is an integer number (523331245440).

Almost surely, 2^{3662649213643} is an apocalyptic number.

3662649213643 is a deficient number, since it is larger than the sum of its proper divisors (524000749877).

3662649213643 is an equidigital number, since it uses as much as digits as its factorization.

3662649213643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95643497.

The product of its digits is 20155392, while the sum is 55.

The spelling of 3662649213643 in words is "three trillion, six hundred sixty-two billion, six hundred forty-nine million, two hundred thirteen thousand, six hundred forty-three".