3644746401 has 16 divisors (see below), whose sum is σ = 4944419648. Its totient is φ = 2387534400.

The previous prime is 3644746397. The next prime is 3644746403. The reversal of 3644746401 is 1046474463.

It is not a de Polignac number, because 3644746401 - 2² = 3644746397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3644746401.

It is not an unprimeable number, because it can be changed into a prime (3644746403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177090 + ... + 196596.

It is an arithmetic number, because the mean of its divisors is an integer number (309026228).

Almost surely, 2^3644746401 is an apocalyptic number.

It is an amenable number.

3644746401 is a deficient number, since it is larger than the sum of its proper divisors (1299673247).

3644746401 is a wasteful number, since it uses less digits than its factorization.

3644746401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20592.

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 3644746401 is about 60371.7351166918. The cubic root of 3644746401 is about 1538.9426599722.

The spelling of 3644746401 in words is "three billion, six hundred forty-four million, seven hundred forty-six thousand, four hundred one".