1328218370363 has 4 divisors (see below), whose sum is σ = 1328273390928. Its totient is φ = 1328163349800.

The previous prime is 1328218370329. The next prime is 1328218370389. The reversal of 1328218370363 is 3630738128231.

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

It is a cyclic number.

It is not a de Polignac number, because 1328218370363 - 2⁸ = 1328218370107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328218376363) 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, 27474056 + ... + 27522357.

It is an arithmetic number, because the mean of its divisors is an integer number (332068347732).

Almost surely, 2^{1328218370363} is an apocalyptic number.

1328218370363 is a deficient number, since it is larger than the sum of its proper divisors (55020565).

1328218370363 is an equidigital number, since it uses as much as digits as its factorization.

1328218370363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55020564.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 1328218370363 in words is "one trillion, three hundred twenty-eight billion, two hundred eighteen million, three hundred seventy thousand, three hundred sixty-three".