1928712384017 has 2 divisors, whose sum is σ = 1928712384018. Its totient is φ = 1928712384016.

The previous prime is 1928712383989. The next prime is 1928712384037. The reversal of 1928712384017 is 7104832178291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1579184302336 + 349528081681 = 1256656^2 + 591209^2 .

It is an emirp because it is prime and its reverse (7104832178291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1928712384017 - 2¹² = 1928712379921 is a prime.

It is a super-4 number, since 4×1928712384017⁴ (a number of 50 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1928712384017.

It is not a weakly prime, because it can be changed into another prime (1928712384037) 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, 964356192008 + 964356192009.

It is an arithmetic number, because the mean of its divisors is an integer number (964356192009).

Almost surely, 2^{1928712384017} is an apocalyptic number.

It is an amenable number.

1928712384017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1928712384017 is an equidigital number, since it uses as much as digits as its factorization.

1928712384017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 1928712384017 in words is "one trillion, nine hundred twenty-eight billion, seven hundred twelve million, three hundred eighty-four thousand, seventeen".