1330312323449 has 2 divisors, whose sum is σ = 1330312323450. Its totient is φ = 1330312323448.

The previous prime is 1330312323433. The next prime is 1330312323469. The reversal of 1330312323449 is 9443232130331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1150807581049 + 179504742400 = 1072757^2 + 423680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330312323449 - 2⁴ = 1330312323433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330312323469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665156161724 + 665156161725.

It is an arithmetic number, because the mean of its divisors is an integer number (665156161725).

Almost surely, 2^{1330312323449} is an apocalyptic number.

It is an amenable number.

1330312323449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330312323449 is an equidigital number, since it uses as much as digits as its factorization.

1330312323449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 1330312323449 in words is "one trillion, three hundred thirty billion, three hundred twelve million, three hundred twenty-three thousand, four hundred forty-nine".