1368632347745 has 8 divisors (see below), whose sum is σ = 1768694111016. Its totient is φ = 1010682349056.

The previous prime is 1368632347697. The next prime is 1368632347751. The reversal of 1368632347745 is 5477432368631.

It can be written as a sum of positive squares in 4 ways, for example, as 139445483776 + 1229186863969 = 373424^2 + 1108687^2 .

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 1368632347745 - 2²⁰ = 1368631299169 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10527941072 + ... + 10527941201.

It is an arithmetic number, because the mean of its divisors is an integer number (221086763877).

Almost surely, 2^{1368632347745} is an apocalyptic number.

It is an amenable number.

1368632347745 is a deficient number, since it is larger than the sum of its proper divisors (400061763271).

1368632347745 is a wasteful number, since it uses less digits than its factorization.

1368632347745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21055882291.

The product of its digits is 60963840, while the sum is 59.

The spelling of 1368632347745 in words is "one trillion, three hundred sixty-eight billion, six hundred thirty-two million, three hundred forty-seven thousand, seven hundred forty-five".