1303574860813 has 2 divisors, whose sum is σ = 1303574860814. Its totient is φ = 1303574860812.

The previous prime is 1303574860739. The next prime is 1303574860831. The reversal of 1303574860813 is 3180684753031.

Together with next prime (1303574860831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1245069893929 + 58504966884 = 1115827^2 + 241878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303574860813 - 2²⁹ = 1303037989901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303574860013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651787430406 + 651787430407.

It is an arithmetic number, because the mean of its divisors is an integer number (651787430407).

Almost surely, 2^{1303574860813} is an apocalyptic number.

It is an amenable number.

1303574860813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303574860813 is an equidigital number, since it uses as much as digits as its factorization.

1303574860813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 1303574860813 in words is "one trillion, three hundred three billion, five hundred seventy-four million, eight hundred sixty thousand, eight hundred thirteen".