1320193769747 has 4 divisors (see below), whose sum is σ = 1324111259016. Its totient is φ = 1316276280480.

The previous prime is 1320193769701. The next prime is 1320193769801. The reversal of 1320193769747 is 7479673910231.

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 1320193769747 - 2⁶ = 1320193769683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320193769347) 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, 1958744129 + ... + 1958744802.

It is an arithmetic number, because the mean of its divisors is an integer number (331027814754).

Almost surely, 2^{1320193769747} is an apocalyptic number.

1320193769747 is a deficient number, since it is larger than the sum of its proper divisors (3917489269).

1320193769747 is an equidigital number, since it uses as much as digits as its factorization.

1320193769747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917489268.

The product of its (nonzero) digits is 12002256, while the sum is 59.

The spelling of 1320193769747 in words is "one trillion, three hundred twenty billion, one hundred ninety-three million, seven hundred sixty-nine thousand, seven hundred forty-seven".