1368789817001 has 4 divisors (see below), whose sum is σ = 1368887538900. Its totient is φ = 1368692095104.

The previous prime is 1368789816959. The next prime is 1368789817009. The reversal of 1368789817001 is 1007189878631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 507939864601 + 860849952400 = 712699^2 + 927820^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368789817001 - 2¹⁰ = 1368789815977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368789817009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48839936 + ... + 48867953.

It is an arithmetic number, because the mean of its divisors is an integer number (342221884725).

Almost surely, 2^{1368789817001} is an apocalyptic number.

It is an amenable number.

1368789817001 is a deficient number, since it is larger than the sum of its proper divisors (97721899).

1368789817001 is an equidigital number, since it uses as much as digits as its factorization.

1368789817001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97721898.

The product of its (nonzero) digits is 4064256, while the sum is 59.

The spelling of 1368789817001 in words is "one trillion, three hundred sixty-eight billion, seven hundred eighty-nine million, eight hundred seventeen thousand, one".