2117281372586 has 8 divisors (see below), whose sum is σ = 3182995383300. Its totient is φ = 1056282911488.

The previous prime is 2117281372559. The next prime is 2117281372651. The reversal of 2117281372586 is 6852731827112.

It can be written as a sum of positive squares in 2 ways, for example, as 2107522896361 + 9758476225 = 1451731^2 + 98785^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178886281 + ... + 1178888076.

Almost surely, 2^{2117281372586} is an apocalyptic number.

2117281372586 is a deficient number, since it is larger than the sum of its proper divisors (1065714010714).

2117281372586 is a wasteful number, since it uses less digits than its factorization.

2117281372586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357774808.

The product of its digits is 2257920, while the sum is 53.

The spelling of 2117281372586 in words is "two trillion, one hundred seventeen billion, two hundred eighty-one million, three hundred seventy-two thousand, five hundred eighty-six".