1863330749317 has 2 divisors, whose sum is σ = 1863330749318. Its totient is φ = 1863330749316.

The previous prime is 1863330749239. The next prime is 1863330749323. The reversal of 1863330749317 is 7139470333681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1852998840001 + 10331909316 = 1361249^2 + 101646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1863330749317 - 2¹⁵ = 1863330716549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1863330749387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931665374658 + 931665374659.

It is an arithmetic number, because the mean of its divisors is an integer number (931665374659).

Almost surely, 2^{1863330749317} is an apocalyptic number.

It is an amenable number.

1863330749317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1863330749317 is an equidigital number, since it uses as much as digits as its factorization.

1863330749317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 1863330749317 in words is "one trillion, eight hundred sixty-three billion, three hundred thirty million, seven hundred forty-nine thousand, three hundred seventeen".