1303974945305 has 4 divisors (see below), whose sum is σ = 1564769934372. Its totient is φ = 1043179956240.

The previous prime is 1303974945239. The next prime is 1303974945341. The reversal of 1303974945305 is 5035494793031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 677192388889 + 626782556416 = 822917^2 + 791696^2 .

It is not a de Polignac number, because 1303974945305 - 2¹⁰ = 1303974944281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130397494526 + ... + 130397494535.

It is an arithmetic number, because the mean of its divisors is an integer number (391192483593).

Almost surely, 2^{1303974945305} is an apocalyptic number.

It is an amenable number.

1303974945305 is a deficient number, since it is larger than the sum of its proper divisors (260794989067).

1303974945305 is an equidigital number, since it uses as much as digits as its factorization.

1303974945305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260794989066.

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 1303974945305 in words is "one trillion, three hundred three billion, nine hundred seventy-four million, nine hundred forty-five thousand, three hundred five".