3646435673 has 16 divisors (see below), whose sum is σ = 3871764480. Its totient is φ = 3424562064.

The previous prime is 3646435631. The next prime is 3646435693. The reversal of 3646435673 is 3765346463.

It is a cyclic number.

It is not a de Polignac number, because 3646435673 - 2⁶ = 3646435609 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3646435693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432640 + ... + 1435182.

It is an arithmetic number, because the mean of its divisors is an integer number (241985280).

Almost surely, 2^3646435673 is an apocalyptic number.

It is an amenable number.

3646435673 is a deficient number, since it is larger than the sum of its proper divisors (225328807).

3646435673 is a wasteful number, since it uses less digits than its factorization.

3646435673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188.

The product of its digits is 3265920, while the sum is 47.

The square root of 3646435673 is about 60385.7240827664. The cubic root of 3646435673 is about 1539.1803803260.

The spelling of 3646435673 in words is "three billion, six hundred forty-six million, four hundred thirty-five thousand, six hundred seventy-three".