4644620088889 has 8 divisors (see below), whose sum is σ = 5094851973120. Its totient is φ = 4199053820400.

The previous prime is 4644620088883. The next prime is 4644620088931. The reversal of 4644620088889 is 9888800264464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4644620088889 - 2⁹ = 4644620088377 is a prime.

It is a super-2 number, since 2×4644620088889² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4644620088883) 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, 1166401849 + ... + 1166405830.

It is an arithmetic number, because the mean of its divisors is an integer number (636856496640).

Almost surely, 2^{4644620088889} is an apocalyptic number.

It is an amenable number.

4644620088889 is a deficient number, since it is larger than the sum of its proper divisors (450231884231).

4644620088889 is a wasteful number, since it uses less digits than its factorization.

4644620088889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332807871.

The product of its (nonzero) digits is 169869312, while the sum is 67.

The spelling of 4644620088889 in words is "four trillion, six hundred forty-four billion, six hundred twenty million, eighty-eight thousand, eight hundred eighty-nine".