2117686580738 has 8 divisors (see below), whose sum is σ = 3176536903680. Its totient is φ = 1058840946180.

The previous prime is 2117686580707. The next prime is 2117686580741. The reversal of 2117686580738 is 8370856867112.

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, 355103 + ... + 2088413.

It is an arithmetic number, because the mean of its divisors is an integer number (397067112960).

Almost surely, 2^{2117686580738} is an apocalyptic number.

2117686580738 is a deficient number, since it is larger than the sum of its proper divisors (1058850322942).

2117686580738 is a wasteful number, since it uses less digits than its factorization.

2117686580738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344192.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 2117686580738 in words is "two trillion, one hundred seventeen billion, six hundred eighty-six million, five hundred eighty thousand, seven hundred thirty-eight".