3644632364463 has 8 divisors (see below), whose sum is σ = 5399455354800. Its totient is φ = 2429754909624.

The previous prime is 3644632364447. The next prime is 3644632364509.

3644632364463 is a `hidden beast` number, since 3 + 6 + 44 + 63 + 23 + 64 + 463 = 666.

3644632364463 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3644632364463 - 2⁴ = 3644632364447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644632364663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67493191908 + ... + 67493191961.

It is an arithmetic number, because the mean of its divisors is an integer number (674931919350).

Almost surely, 2^{3644632364463} is an apocalyptic number.

3644632364463 is a deficient number, since it is larger than the sum of its proper divisors (1754822990337).

3644632364463 is a wasteful number, since it uses less digits than its factorization.

3644632364463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134986383878 (or 134986383872 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 54.

The spelling of 3644632364463 in words is "three trillion, six hundred forty-four billion, six hundred thirty-two million, three hundred sixty-four thousand, four hundred sixty-three".