3644334463 has 16 divisors (see below), whose sum is σ = 4782723840. Its totient is φ = 2690280000.

The previous prime is 3644334451. The next prime is 3644334493.

3644334463 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3644334463 - 2¹⁷ = 3644203391 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 (3644334493) 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, 1244038 + ... + 1246963.

It is an arithmetic number, because the mean of its divisors is an integer number (298920240).

Almost surely, 2^3644334463 is an apocalyptic number.

3644334463 is a deficient number, since it is larger than the sum of its proper divisors (1138389377).

3644334463 is a wasteful number, since it uses less digits than its factorization.

3644334463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491038.

The product of its digits is 746496, while the sum is 40.

The square root of 3644334463 is about 60368.3233409708. The cubic root of 3644334463 is about 1538.8846794548.

The spelling of 3644334463 in words is "three billion, six hundred forty-four million, three hundred thirty-four thousand, four hundred sixty-three".