1403443140217 has 2 divisors, whose sum is σ = 1403443140218. Its totient is φ = 1403443140216.

The previous prime is 1403443140199. The next prime is 1403443140233. The reversal of 1403443140217 is 7120413443041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127969319481 + 275473820736 = 1062059^2 + 524856^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403443140217 - 2¹¹ = 1403443138169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1403443140257) 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, 701721570108 + 701721570109.

It is an arithmetic number, because the mean of its divisors is an integer number (701721570109).

Almost surely, 2^{1403443140217} is an apocalyptic number.

It is an amenable number.

1403443140217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403443140217 is an equidigital number, since it uses as much as digits as its factorization.

1403443140217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 1403443140217 its reverse (7120413443041), we get a palindrome (8523856583258).

The spelling of 1403443140217 in words is "one trillion, four hundred three billion, four hundred forty-three million, one hundred forty thousand, two hundred seventeen".