1377282494209 has 2 divisors, whose sum is σ = 1377282494210. Its totient is φ = 1377282494208.

The previous prime is 1377282494183. The next prime is 1377282494261. The reversal of 1377282494209 is 9024942827731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1190438109184 + 186844385025 = 1091072^2 + 432255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377282494209 - 2²³ = 1377274105601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377282494299) 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, 688641247104 + 688641247105.

It is an arithmetic number, because the mean of its divisors is an integer number (688641247105).

Almost surely, 2^{1377282494209} is an apocalyptic number.

It is an amenable number.

1377282494209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377282494209 is an equidigital number, since it uses as much as digits as its factorization.

1377282494209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 1377282494209 in words is "one trillion, three hundred seventy-seven billion, two hundred eighty-two million, four hundred ninety-four thousand, two hundred nine".