3644340434463 has 4 divisors (see below), whose sum is σ = 4859120579288. Its totient is φ = 2429560289640.

The previous prime is 3644340434417. The next prime is 3644340434467.

3644340434463 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3644340434463 - 2¹⁴ = 3644340418079 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 (3644340434467) 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 3 ways as a sum of consecutive naturals, for example, 607390072408 + ... + 607390072413.

It is an arithmetic number, because the mean of its divisors is an integer number (1214780144822).

Almost surely, 2^{3644340434463} is an apocalyptic number.

3644340434463 is a deficient number, since it is larger than the sum of its proper divisors (1214780144825).

3644340434463 is a wasteful number, since it uses less digits than its factorization.

3644340434463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214780144824.

The product of its (nonzero) digits is 11943936, while the sum is 48.

The spelling of 3644340434463 in words is "three trillion, six hundred forty-four billion, three hundred forty million, four hundred thirty-four thousand, four hundred sixty-three".