1304602661685 has 8 divisors (see below), whose sum is σ = 2087364258720. Its totient is φ = 695788086224.

The previous prime is 1304602661653. The next prime is 1304602661707. The reversal of 1304602661685 is 5861662064031.

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 1304602661685 - 2⁵ = 1304602661653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43486755375 + ... + 43486755404.

It is an arithmetic number, because the mean of its divisors is an integer number (260920532340).

Almost surely, 2^{1304602661685} is an apocalyptic number.

1304602661685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304602661685 is a deficient number, since it is larger than the sum of its proper divisors (782761597035).

1304602661685 is an equidigital number, since it uses as much as digits as its factorization.

1304602661685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86973510787.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 1304602661685 in words is "one trillion, three hundred four billion, six hundred two million, six hundred sixty-one thousand, six hundred eighty-five".