3644454122117 has 4 divisors (see below), whose sum is σ = 3651876636096. Its totient is φ = 3637031608140.

The previous prime is 3644454122077. The next prime is 3644454122137. The reversal of 3644454122117 is 7112214544463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3644454122117 - 2⁶ = 3644454122053 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 (3644454122137) 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 3 ways as a sum of consecutive naturals, for example, 3711256253 + ... + 3711257234.

It is an arithmetic number, because the mean of its divisors is an integer number (912969159024).

Almost surely, 2^{3644454122117} is an apocalyptic number.

It is an amenable number.

3644454122117 is a deficient number, since it is larger than the sum of its proper divisors (7422513979).

3644454122117 is an equidigital number, since it uses as much as digits as its factorization.

3644454122117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422513978.

The product of its digits is 645120, while the sum is 44.

The spelling of 3644454122117 in words is "three trillion, six hundred forty-four billion, four hundred fifty-four million, one hundred twenty-two thousand, one hundred seventeen".