1428210684773 has 2 divisors, whose sum is σ = 1428210684774. Its totient is φ = 1428210684772.

The previous prime is 1428210684683. The next prime is 1428210684799. The reversal of 1428210684773 is 3774860128241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052444136769 + 375766548004 = 1025887^2 + 612998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428210684773 - 2¹⁶ = 1428210619237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428210684473) 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, 714105342386 + 714105342387.

It is an arithmetic number, because the mean of its divisors is an integer number (714105342387).

Almost surely, 2^{1428210684773} is an apocalyptic number.

It is an amenable number.

1428210684773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428210684773 is an equidigital number, since it uses as much as digits as its factorization.

1428210684773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 1428210684773 in words is "one trillion, four hundred twenty-eight billion, two hundred ten million, six hundred eighty-four thousand, seven hundred seventy-three".