2209109897275 has 6 divisors (see below), whose sum is σ = 2739296272652. Its totient is φ = 1767287917800.

The previous prime is 2209109897273. The next prime is 2209109897329. The reversal of 2209109897275 is 5727989019022.

It is not a de Polignac number, because 2209109897275 - 2¹ = 2209109897273 is a prime.

It is a super-2 number, since 2×2209109897275² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209109897273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44182197921 + ... + 44182197970.

Almost surely, 2^{2209109897275} is an apocalyptic number.

2209109897275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2209109897275 is a deficient number, since it is larger than the sum of its proper divisors (530186375377).

2209109897275 is an equidigital number, since it uses as much as digits as its factorization.

2209109897275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88364395901 (or 88364395896 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 2209109897275 in words is "two trillion, two hundred nine billion, one hundred nine million, eight hundred ninety-seven thousand, two hundred seventy-five".