1326313750757 has 2 divisors, whose sum is σ = 1326313750758. Its totient is φ = 1326313750756.

The previous prime is 1326313750717. The next prime is 1326313750763. The reversal of 1326313750757 is 7570573136231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1277625563041 + 48688187716 = 1130321^2 + 220654^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326313750757 - 2²⁰ = 1326312702181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326313750717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663156875378 + 663156875379.

It is an arithmetic number, because the mean of its divisors is an integer number (663156875379).

Almost surely, 2^{1326313750757} is an apocalyptic number.

It is an amenable number.

1326313750757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326313750757 is an equidigital number, since it uses as much as digits as its factorization.

1326313750757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2778300, while the sum is 50.

Adding to 1326313750757 its reverse (7570573136231), we get a palindrome (8896886886988).

The spelling of 1326313750757 in words is "one trillion, three hundred twenty-six billion, three hundred thirteen million, seven hundred fifty thousand, seven hundred fifty-seven".