2217389319129 has 4 divisors (see below), whose sum is σ = 2956519092176. Its totient is φ = 1478259546084.

The previous prime is 2217389319121. The next prime is 2217389319143. The reversal of 2217389319129 is 9219139837122.

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 not a de Polignac number, because 2217389319129 - 2³ = 2217389319121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2217389319121) 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, 369564886519 + ... + 369564886524.

It is an arithmetic number, because the mean of its divisors is an integer number (739129773044).

Almost surely, 2^{2217389319129} is an apocalyptic number.

It is an amenable number.

2217389319129 is a deficient number, since it is larger than the sum of its proper divisors (739129773047).

2217389319129 is an equidigital number, since it uses as much as digits as its factorization.

2217389319129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739129773046.

The product of its digits is 2939328, while the sum is 57.

The spelling of 2217389319129 in words is "two trillion, two hundred seventeen billion, three hundred eighty-nine million, three hundred nineteen thousand, one hundred twenty-nine".