2008621385553 has 8 divisors (see below), whose sum is σ = 2678211169216. Its totient is φ = 1339056262800.

The previous prime is 2008621385543. The next prime is 2008621385587. The reversal of 2008621385553 is 3555831268002.

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

It is not a de Polignac number, because 2008621385553 - 2⁵ = 2008621385521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2008621385543) 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, 5974333 + ... + 6301578.

It is an arithmetic number, because the mean of its divisors is an integer number (334776396152).

Almost surely, 2^{2008621385553} is an apocalyptic number.

It is an amenable number.

2008621385553 is a deficient number, since it is larger than the sum of its proper divisors (669589783663).

2008621385553 is a wasteful number, since it uses less digits than its factorization.

2008621385553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330455.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 2008621385553 in words is "two trillion, eight billion, six hundred twenty-one million, three hundred eighty-five thousand, five hundred fifty-three".