19374879485417 has 2 divisors, whose sum is σ = 19374879485418. Its totient is φ = 19374879485416.

The previous prime is 19374879485287. The next prime is 19374879485441. The reversal of 19374879485417 is 71458497847391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19363775384041 + 11104101376 = 4400429^2 + 105376^2 .

It is a cyclic number.

It is not a de Polignac number, because 19374879485417 - 2¹⁰ = 19374879484393 is a prime.

It is a super-3 number, since 3×19374879485417³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (19374879485497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9687439742708 + 9687439742709.

It is an arithmetic number, because the mean of its divisors is an integer number (9687439742709).

Almost surely, 2^{19374879485417} is an apocalyptic number.

It is an amenable number.

19374879485417 is a deficient number, since it is larger than the sum of its proper divisors (1).

19374879485417 is an equidigital number, since it uses as much as digits as its factorization.

19374879485417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1706987520, while the sum is 77.

The spelling of 19374879485417 in words is "nineteen trillion, three hundred seventy-four billion, eight hundred seventy-nine million, four hundred eighty-five thousand, four hundred seventeen".