1305604213363 has 8 divisors (see below), whose sum is σ = 1363014420768. Its totient is φ = 1248247739904.

The previous prime is 1305604213273. The next prime is 1305604213379. The reversal of 1305604213363 is 3633124065031.

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 1305604213363 - 2⁹ = 1305604212851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305604213063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13383820 + ... + 13481017.

It is an arithmetic number, because the mean of its divisors is an integer number (170376802596).

Almost surely, 2^{1305604213363} is an apocalyptic number.

1305604213363 is a deficient number, since it is larger than the sum of its proper divisors (57410207405).

1305604213363 is a wasteful number, since it uses less digits than its factorization.

1305604213363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26866973.

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 1305604213363 its reverse (3633124065031), we get a palindrome (4938728278394).

The spelling of 1305604213363 in words is "one trillion, three hundred five billion, six hundred four million, two hundred thirteen thousand, three hundred sixty-three".