1304402013289 has 2 divisors, whose sum is σ = 1304402013290. Its totient is φ = 1304402013288.

The previous prime is 1304402013199. The next prime is 1304402013307. The reversal of 1304402013289 is 9823102044031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 943050747664 + 361351265625 = 971108^2 + 601125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304402013289 - 2²⁵ = 1304368458857 is a prime.

It is a super-2 number, since 2×1304402013289² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1304402013589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652201006644 + 652201006645.

It is an arithmetic number, because the mean of its divisors is an integer number (652201006645).

Almost surely, 2^{1304402013289} is an apocalyptic number.

It is an amenable number.

1304402013289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304402013289 is an equidigital number, since it uses as much as digits as its factorization.

1304402013289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 1304402013289 in words is "one trillion, three hundred four billion, four hundred two million, thirteen thousand, two hundred eighty-nine".