1143920766673 has 2 divisors, whose sum is σ = 1143920766674. Its totient is φ = 1143920766672.

The previous prime is 1143920766631. The next prime is 1143920766727. The reversal of 1143920766673 is 3766670293411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129271779584 + 14648987089 = 1062672^2 + 121033^2 .

It is an emirp because it is prime and its reverse (3766670293411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143920766673 - 2³⁷ = 1006481813201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143920766473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571960383336 + 571960383337.

It is an arithmetic number, because the mean of its divisors is an integer number (571960383337).

Almost surely, 2^{1143920766673} is an apocalyptic number.

It is an amenable number.

1143920766673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143920766673 is an equidigital number, since it uses as much as digits as its factorization.

1143920766673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 1143920766673 in words is "one trillion, one hundred forty-three billion, nine hundred twenty million, seven hundred sixty-six thousand, six hundred seventy-three".