2109622097617 has 8 divisors (see below), whose sum is σ = 2187977898600. Its totient is φ = 2031640310784.

The previous prime is 2109622097591. The next prime is 2109622097633. The reversal of 2109622097617 is 7167902269012.

It can be written as a sum of positive squares in 4 ways, for example, as 32403240081 + 2077218857536 = 180009^2 + 1441256^2 .

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 2109622097617 - 2⁷ = 2109622097489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109622091617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93492048 + ... + 93514609.

It is an arithmetic number, because the mean of its divisors is an integer number (273497237325).

Almost surely, 2^{2109622097617} is an apocalyptic number.

It is an amenable number.

2109622097617 is a deficient number, since it is larger than the sum of its proper divisors (78355800983).

2109622097617 is a wasteful number, since it uses less digits than its factorization.

2109622097617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187007075.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 2109622097617 in words is "two trillion, one hundred nine billion, six hundred twenty-two million, ninety-seven thousand, six hundred seventeen".