1303266673 has 2 divisors, whose sum is σ = 1303266674. Its totient is φ = 1303266672.

The previous prime is 1303266667. The next prime is 1303266689. The reversal of 1303266673 is 3766623031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060935184 + 242331489 = 32572^2 + 15567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303266673 - 2¹⁷ = 1303135601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303266473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651633336 + 651633337.

It is an arithmetic number, because the mean of its divisors is an integer number (651633337).

Almost surely, 2^1303266673 is an apocalyptic number.

It is an amenable number.

1303266673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303266673 is an equidigital number, since it uses as much as digits as its factorization.

1303266673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 37.

The square root of 1303266673 is about 36100.7849360648. The cubic root of 1303266673 is about 1092.3062783339.

The spelling of 1303266673 in words is "one billion, three hundred three million, two hundred sixty-six thousand, six hundred seventy-three".