2162573538217 has 4 divisors (see below), whose sum is σ = 2164330301056. Its totient is φ = 2160816775380.

The previous prime is 2162573538163. The next prime is 2162573538239. The reversal of 2162573538217 is 7128353752612.

It is a happy number.

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 2162573538217 - 2¹¹ = 2162573536169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162573538817) 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, 878379573 + ... + 878382034.

It is an arithmetic number, because the mean of its divisors is an integer number (541082575264).

Almost surely, 2^{2162573538217} is an apocalyptic number.

It is an amenable number.

2162573538217 is a deficient number, since it is larger than the sum of its proper divisors (1756762839).

2162573538217 is a wasteful number, since it uses less digits than its factorization.

2162573538217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756762838.

The product of its digits is 4233600, while the sum is 52.

The spelling of 2162573538217 in words is "two trillion, one hundred sixty-two billion, five hundred seventy-three million, five hundred thirty-eight thousand, two hundred seventeen".