1420344031289 has 2 divisors, whose sum is σ = 1420344031290. Its totient is φ = 1420344031288.

The previous prime is 1420344031279. The next prime is 1420344031303. The reversal of 1420344031289 is 9821304430241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287469200889 + 132874830400 = 1134667^2 + 364520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420344031289 - 2¹⁶ = 1420343965753 is a prime.

It is a super-2 number, since 2×1420344031289² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1420344031279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710172015644 + 710172015645.

It is an arithmetic number, because the mean of its divisors is an integer number (710172015645).

Almost surely, 2^{1420344031289} is an apocalyptic number.

It is an amenable number.

1420344031289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420344031289 is an equidigital number, since it uses as much as digits as its factorization.

1420344031289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 1420344031289 in words is "one trillion, four hundred twenty billion, three hundred forty-four million, thirty-one thousand, two hundred eighty-nine".