3644308423 has 6 divisors (see below), whose sum is σ = 4165106456. Its totient is φ = 3123556032.

The previous prime is 3644308417. The next prime is 3644308427. The reversal of 3644308423 is 3248034463.

It is a de Polignac number, because none of the positive numbers 2^k-3644308423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644308427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148311 + ... + 171127.

Almost surely, 2^3644308423 is an apocalyptic number.

3644308423 is a deficient number, since it is larger than the sum of its proper divisors (520798033).

3644308423 is an frugal number, since it uses more digits than its factorization.

3644308423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45641 (or 22824 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The square root of 3644308423 is about 60368.1076645608. The cubic root of 3644308423 is about 1538.8810141626.

The spelling of 3644308423 in words is "three billion, six hundred forty-four million, three hundred eight thousand, four hundred twenty-three".