4644545621363 has 4 divisors (see below), whose sum is σ = 4644758529720. Its totient is φ = 4644332713008.

The previous prime is 4644545621357. The next prime is 4644545621383. The reversal of 4644545621363 is 3631265454464.

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

It is a cyclic number.

It is not a de Polignac number, because 4644545621363 - 2⁴ = 4644545621347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4644545621383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106421453 + ... + 106465086.

It is an arithmetic number, because the mean of its divisors is an integer number (1161189632430).

Almost surely, 2^{4644545621363} is an apocalyptic number.

4644545621363 is a deficient number, since it is larger than the sum of its proper divisors (212908357).

4644545621363 is a wasteful number, since it uses less digits than its factorization.

4644545621363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212908356.

The product of its digits is 24883200, while the sum is 53.

The spelling of 4644545621363 in words is "four trillion, six hundred forty-four billion, five hundred forty-five million, six hundred twenty-one thousand, three hundred sixty-three".