1349962810661 has 2 divisors, whose sum is σ = 1349962810662. Its totient is φ = 1349962810660.

The previous prime is 1349962810601. The next prime is 1349962810687. The reversal of 1349962810661 is 1660182699431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1283621020900 + 66341789761 = 1132970^2 + 257569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1349962810661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1349962810597 and 1349962810606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349962810601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674981405330 + 674981405331.

It is an arithmetic number, because the mean of its divisors is an integer number (674981405331).

Almost surely, 2^{1349962810661} is an apocalyptic number.

It is an amenable number.

1349962810661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349962810661 is an equidigital number, since it uses as much as digits as its factorization.

1349962810661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 1349962810661 in words is "one trillion, three hundred forty-nine billion, nine hundred sixty-two million, eight hundred ten thousand, six hundred sixty-one".