2102800005289 has 4 divisors (see below), whose sum is σ = 2104921903360. Its totient is φ = 2100678107220.

The previous prime is 2102800005197. The next prime is 2102800005323. The reversal of 2102800005289 is 9825000082012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102800005289 - 2⁹ = 2102800004777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102800005589) 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, 1060947549 + ... + 1060949530.

It is an arithmetic number, because the mean of its divisors is an integer number (526230475840).

Almost surely, 2^{2102800005289} is an apocalyptic number.

It is an amenable number.

2102800005289 is a deficient number, since it is larger than the sum of its proper divisors (2121898071).

2102800005289 is an equidigital number, since it uses as much as digits as its factorization.

2102800005289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121898070.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 2102800005289 in words is "two trillion, one hundred two billion, eight hundred million, five thousand, two hundred eighty-nine".