2217340138263 has 8 divisors (see below), whose sum is σ = 3130362548208. Its totient is φ = 1391272243584.

The previous prime is 2217340138259. The next prime is 2217340138289. The reversal of 2217340138263 is 3628310437122.

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

It is not a de Polignac number, because 2217340138263 - 2² = 2217340138259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217340138063) 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, 21738628756 + ... + 21738628857.

It is an arithmetic number, because the mean of its divisors is an integer number (391295318526).

Almost surely, 2^{2217340138263} is an apocalyptic number.

2217340138263 is a deficient number, since it is larger than the sum of its proper divisors (913022409945).

2217340138263 is a wasteful number, since it uses less digits than its factorization.

2217340138263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43477257633.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 2217340138263 in words is "two trillion, two hundred seventeen billion, three hundred forty million, one hundred thirty-eight thousand, two hundred sixty-three".