1328918753 has 2 divisors, whose sum is σ = 1328918754. Its totient is φ = 1328918752.

The previous prime is 1328918737. The next prime is 1328918779. The reversal of 1328918753 is 3578198231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 822083584 + 506835169 = 28672^2 + 22513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1328918753 - 2⁴ = 1328918737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1328918698 and 1328918707.

It is not a weakly prime, because it can be changed into another prime (1328918783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664459376 + 664459377.

It is an arithmetic number, because the mean of its divisors is an integer number (664459377).

Almost surely, 2^1328918753 is an apocalyptic number.

It is an amenable number.

1328918753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328918753 is an equidigital number, since it uses as much as digits as its factorization.

1328918753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 1328918753 is about 36454.3379174550. The cubic root of 1328918753 is about 1099.4263546174.

The spelling of 1328918753 in words is "one billion, three hundred twenty-eight million, nine hundred eighteen thousand, seven hundred fifty-three".