1328142286873 has 2 divisors, whose sum is σ = 1328142286874. Its totient is φ = 1328142286872.

The previous prime is 1328142286853. The next prime is 1328142286931. The reversal of 1328142286873 is 3786822418231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101653862409 + 226488424464 = 1049597^2 + 475908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328142286873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1328142286853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664071143436 + 664071143437.

It is an arithmetic number, because the mean of its divisors is an integer number (664071143437).

Almost surely, 2^{1328142286873} is an apocalyptic number.

It is an amenable number.

1328142286873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328142286873 is an equidigital number, since it uses as much as digits as its factorization.

1328142286873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 55.

The spelling of 1328142286873 in words is "one trillion, three hundred twenty-eight billion, one hundred forty-two million, two hundred eighty-six thousand, eight hundred seventy-three".