1368317617 has 4 divisors (see below), whose sum is σ = 1388740336. Its totient is φ = 1347894900.

The previous prime is 1368317603. The next prime is 1368317677. The reversal of 1368317617 is 7167138631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1368317617 - 2¹¹ = 1368315569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368317677) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10211259 + ... + 10211392.

It is an arithmetic number, because the mean of its divisors is an integer number (347185084).

Almost surely, 2^1368317617 is an apocalyptic number.

It is an amenable number.

1368317617 is a deficient number, since it is larger than the sum of its proper divisors (20422719).

1368317617 is an equidigital number, since it uses as much as digits as its factorization.

1368317617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20422718.

The product of its digits is 127008, while the sum is 43.

The square root of 1368317617 is about 36990.7774587126. Note that the first 3 decimals coincide. The cubic root of 1368317617 is about 1110.1857268423.

The spelling of 1368317617 in words is "one billion, three hundred sixty-eight million, three hundred seventeen thousand, six hundred seventeen".