1377850262317 has 2 divisors, whose sum is σ = 1377850262318. Its totient is φ = 1377850262316.

The previous prime is 1377850262311. The next prime is 1377850262387. The reversal of 1377850262317 is 7132620587731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1377491879556 + 358382761 = 1173666^2 + 18931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377850262317 - 2¹⁹ = 1377849738029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377850262311) 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, 688925131158 + 688925131159.

It is an arithmetic number, because the mean of its divisors is an integer number (688925131159).

Almost surely, 2^{1377850262317} is an apocalyptic number.

It is an amenable number.

1377850262317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377850262317 is an equidigital number, since it uses as much as digits as its factorization.

1377850262317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 1377850262317 in words is "one trillion, three hundred seventy-seven billion, eight hundred fifty million, two hundred sixty-two thousand, three hundred seventeen".