1349971879177 has 2 divisors, whose sum is σ = 1349971879178. Its totient is φ = 1349971879176.

The previous prime is 1349971879171. The next prime is 1349971879199. The reversal of 1349971879177 is 7719781799431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1220872514761 + 129099364416 = 1104931^2 + 359304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349971879177 - 2⁷ = 1349971879049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1349971879171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674985939588 + 674985939589.

It is an arithmetic number, because the mean of its divisors is an integer number (674985939589).

Almost surely, 2^{1349971879177} is an apocalyptic number.

It is an amenable number.

1349971879177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349971879177 is an equidigital number, since it uses as much as digits as its factorization.

1349971879177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168031584, while the sum is 73.

The spelling of 1349971879177 in words is "one trillion, three hundred forty-nine billion, nine hundred seventy-one million, eight hundred seventy-nine thousand, one hundred seventy-seven".