130860969661 has 2 divisors, whose sum is σ = 130860969662. Its totient is φ = 130860969660.

The previous prime is 130860969637. The next prime is 130860969703. The reversal of 130860969661 is 166969068031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128791265625 + 2069704036 = 358875^2 + 45494^2 .

It is a cyclic number.

It is not a de Polignac number, because 130860969661 - 2⁹ = 130860969149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130860969601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65430484830 + 65430484831.

It is an arithmetic number, because the mean of its divisors is an integer number (65430484831).

Almost surely, 2^130860969661 is an apocalyptic number.

It is an amenable number.

130860969661 is a deficient number, since it is larger than the sum of its proper divisors (1).

130860969661 is an equidigital number, since it uses as much as digits as its factorization.

130860969661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 130860969661 in words is "one hundred thirty billion, eight hundred sixty million, nine hundred sixty-nine thousand, six hundred sixty-one".