1455661130773 has 2 divisors, whose sum is σ = 1455661130774. Its totient is φ = 1455661130772.

The previous prime is 1455661130771. The next prime is 1455661130849. The reversal of 1455661130773 is 3770311665541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097480426449 + 358180704324 = 1047607^2 + 598482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455661130773 - 2¹ = 1455661130771 is a prime.

Together with 1455661130771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455661130771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727830565386 + 727830565387.

It is an arithmetic number, because the mean of its divisors is an integer number (727830565387).

Almost surely, 2^{1455661130773} is an apocalyptic number.

It is an amenable number.

1455661130773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455661130773 is an equidigital number, since it uses as much as digits as its factorization.

1455661130773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 1455661130773 in words is "one trillion, four hundred fifty-five billion, six hundred sixty-one million, one hundred thirty thousand, seven hundred seventy-three".