1321460095729 has 2 divisors, whose sum is σ = 1321460095730. Its totient is φ = 1321460095728.

The previous prime is 1321460095723. The next prime is 1321460095793. The reversal of 1321460095729 is 9275900641231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1230890397025 + 90569698704 = 1109455^2 + 300948^2 .

It is a cyclic number.

It is not a de Polignac number, because 1321460095729 - 2³ = 1321460095721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1321460095721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660730047864 + 660730047865.

It is an arithmetic number, because the mean of its divisors is an integer number (660730047865).

Almost surely, 2^{1321460095729} is an apocalyptic number.

It is an amenable number.

1321460095729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321460095729 is an equidigital number, since it uses as much as digits as its factorization.

1321460095729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 1321460095729 in words is "one trillion, three hundred twenty-one billion, four hundred sixty million, ninety-five thousand, seven hundred twenty-nine".