3646364671 has 4 divisors (see below), whose sum is σ = 3659920200. Its totient is φ = 3632809144.

The previous prime is 3646364627. The next prime is 3646364681. The reversal of 3646364671 is 1764636463.

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 3646364671 - 2⁹ = 3646364159 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 (3646364681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6777361 + ... + 6777898.

It is an arithmetic number, because the mean of its divisors is an integer number (914980050).

Almost surely, 2^3646364671 is an apocalyptic number.

3646364671 is a deficient number, since it is larger than the sum of its proper divisors (13555529).

3646364671 is a wasteful number, since it uses less digits than its factorization.

3646364671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13555528.

The product of its digits is 1306368, while the sum is 46.

The square root of 3646364671 is about 60385.1361760492. The cubic root of 3646364671 is about 1539.1703901507.

The spelling of 3646364671 in words is "three billion, six hundred forty-six million, three hundred sixty-four thousand, six hundred seventy-one".