2117622673 has 8 divisors (see below), whose sum is σ = 2216069568. Its totient is φ = 2019707184.

The previous prime is 2117622667. The next prime is 2117622691. The reversal of 2117622673 is 3762267112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2117622673 - 2²⁵ = 2084068241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2117622613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124686 + ... + 140647.

It is an arithmetic number, because the mean of its divisors is an integer number (277008696).

Almost surely, 2^2117622673 is an apocalyptic number.

2117622673 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2117622673 is a deficient number, since it is larger than the sum of its proper divisors (98446895).

2117622673 is a wasteful number, since it uses less digits than its factorization.

2117622673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265703.

The product of its digits is 42336, while the sum is 37.

The square root of 2117622673 is about 46017.6343698804. The cubic root of 2117622673 is about 1284.1512910775.

Adding to 2117622673 its reverse (3762267112), we get a palindrome (5879889785).

The spelling of 2117622673 in words is "two billion, one hundred seventeen million, six hundred twenty-two thousand, six hundred seventy-three".