1790380904329 has 2 divisors, whose sum is σ = 1790380904330. Its totient is φ = 1790380904328.

The previous prime is 1790380904317. The next prime is 1790380904371. The reversal of 1790380904329 is 9234090830971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1639411356025 + 150969548304 = 1280395^2 + 388548^2 .

It is an emirp because it is prime and its reverse (9234090830971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1790380904329 - 2¹³ = 1790380896137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1790380904329.

It is not a weakly prime, because it can be changed into another prime (1790380904729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895190452164 + 895190452165.

It is an arithmetic number, because the mean of its divisors is an integer number (895190452165).

Almost surely, 2^{1790380904329} is an apocalyptic number.

It is an amenable number.

1790380904329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1790380904329 is an equidigital number, since it uses as much as digits as its factorization.

1790380904329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 1790380904329 in words is "one trillion, seven hundred ninety billion, three hundred eighty million, nine hundred four thousand, three hundred twenty-nine".