1301676296681 has 2 divisors, whose sum is σ = 1301676296682. Its totient is φ = 1301676296680.

The previous prime is 1301676296671. The next prime is 1301676296699. The reversal of 1301676296681 is 1866926761031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 903609941056 + 398066355625 = 950584^2 + 630925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301676296681 - 2¹⁸ = 1301676034537 is a prime.

It is a super-2 number, since 2×1301676296681² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1301676296621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650838148340 + 650838148341.

It is an arithmetic number, because the mean of its divisors is an integer number (650838148341).

Almost surely, 2^{1301676296681} is an apocalyptic number.

It is an amenable number.

1301676296681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301676296681 is an equidigital number, since it uses as much as digits as its factorization.

1301676296681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 1301676296681 in words is "one trillion, three hundred one billion, six hundred seventy-six million, two hundred ninety-six thousand, six hundred eighty-one".