420300141973 has 2 divisors, whose sum is σ = 420300141974. Its totient is φ = 420300141972.

The previous prime is 420300141953. The next prime is 420300141997. The reversal of 420300141973 is 379141003024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380489118244 + 39811023729 = 616838^2 + 199527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420300141973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420300141953) 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, 210150070986 + 210150070987.

It is an arithmetic number, because the mean of its divisors is an integer number (210150070987).

Almost surely, 2^420300141973 is an apocalyptic number.

It is an amenable number.

420300141973 is a deficient number, since it is larger than the sum of its proper divisors (1).

420300141973 is an equidigital number, since it uses as much as digits as its factorization.

420300141973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 420300141973 its reverse (379141003024), we get a palindrome (799441144997).

The spelling of 420300141973 in words is "four hundred twenty billion, three hundred million, one hundred forty-one thousand, nine hundred seventy-three".