1300664131289 has 2 divisors, whose sum is σ = 1300664131290. Its totient is φ = 1300664131288.

The previous prime is 1300664131259. The next prime is 1300664131301. The reversal of 1300664131289 is 9821314660031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935717655625 + 364946475664 = 967325^2 + 604108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300664131289 - 2²⁰ = 1300663082713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300664131219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650332065644 + 650332065645.

It is an arithmetic number, because the mean of its divisors is an integer number (650332065645).

Almost surely, 2^{1300664131289} is an apocalyptic number.

It is an amenable number.

1300664131289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300664131289 is an equidigital number, since it uses as much as digits as its factorization.

1300664131289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 1300664131289 in words is "one trillion, three hundred billion, six hundred sixty-four million, one hundred thirty-one thousand, two hundred eighty-nine".