1694113239985 has 8 divisors (see below), whose sum is σ = 2033418681216. Its totient is φ = 1354968729840.

The previous prime is 1694113239971. The next prime is 1694113240021. The reversal of 1694113239985 is 5899323114961.

It is a happy number.

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

It is not a de Polignac number, because 1694113239985 - 2²³ = 1694104851377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 40209609 + ... + 40251718.

It is an arithmetic number, because the mean of its divisors is an integer number (254177335152).

Almost surely, 2^{1694113239985} is an apocalyptic number.

It is an amenable number.

1694113239985 is a deficient number, since it is larger than the sum of its proper divisors (339305441231).

1694113239985 is an equidigital number, since it uses as much as digits as its factorization.

1694113239985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80465543.

The product of its digits is 12597120, while the sum is 61.

The spelling of 1694113239985 in words is "one trillion, six hundred ninety-four billion, one hundred thirteen million, two hundred thirty-nine thousand, nine hundred eighty-five".