1313674048261 has 2 divisors, whose sum is σ = 1313674048262. Its totient is φ = 1313674048260.

The previous prime is 1313674048229. The next prime is 1313674048283. The reversal of 1313674048261 is 1628404763131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1145126851236 + 168547197025 = 1070106^2 + 410545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313674048261 - 2⁵ = 1313674048229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313674058261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656837024130 + 656837024131.

It is an arithmetic number, because the mean of its divisors is an integer number (656837024131).

Almost surely, 2^{1313674048261} is an apocalyptic number.

It is an amenable number.

1313674048261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313674048261 is an equidigital number, since it uses as much as digits as its factorization.

1313674048261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 1313674048261 in words is "one trillion, three hundred thirteen billion, six hundred seventy-four million, forty-eight thousand, two hundred sixty-one".