3644522423 has 8 divisors (see below), whose sum is σ = 3791030880. Its totient is φ = 3499403040.

The previous prime is 3644522359. The next prime is 3644522437. The reversal of 3644522423 is 3242254463.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3644522423 - 2⁶ = 3644522359 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 (3644522473) 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, 341915 + ... + 352412.

It is an arithmetic number, because the mean of its divisors is an integer number (473878860).

Almost surely, 2^3644522423 is an apocalyptic number.

3644522423 is a deficient number, since it is larger than the sum of its proper divisors (146508457).

3644522423 is a wasteful number, since it uses less digits than its factorization.

3644522423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694537.

The product of its digits is 138240, while the sum is 35.

The square root of 3644522423 is about 60369.8800976116. The cubic root of 3644522423 is about 1538.9111354780.

Adding to 3644522423 its reverse (3242254463), we get a palindrome (6886776886).

The spelling of 3644522423 in words is "three billion, six hundred forty-four million, five hundred twenty-two thousand, four hundred twenty-three".