1320365674783 has 2 divisors, whose sum is σ = 1320365674784. Its totient is φ = 1320365674782.

The previous prime is 1320365674711. The next prime is 1320365674801. The reversal of 1320365674783 is 3874765630231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320365674783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320365674703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660182837391 + 660182837392.

It is an arithmetic number, because the mean of its divisors is an integer number (660182837392).

Almost surely, 2^{1320365674783} is an apocalyptic number.

1320365674783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320365674783 is an equidigital number, since it uses as much as digits as its factorization.

1320365674783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 1320365674783 in words is "one trillion, three hundred twenty billion, three hundred sixty-five million, six hundred seventy-four thousand, seven hundred eighty-three".