420133330973 has 2 divisors, whose sum is σ = 420133330974. Its totient is φ = 420133330972.

The previous prime is 420133330921. The next prime is 420133331011. The reversal of 420133330973 is 379033331024.

It is an a-pointer prime, because the next prime (420133331011) can be obtained adding 420133330973 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412238475364 + 7894855609 = 642058^2 + 88853^2 .

It is a cyclic number.

It is not a de Polignac number, because 420133330973 - 2⁶ = 420133330909 is a prime.

It is a super-2 number, since 2×420133330973² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420133333973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210066665486 + 210066665487.

It is an arithmetic number, because the mean of its divisors is an integer number (210066665487).

Almost surely, 2^420133330973 is an apocalyptic number.

It is an amenable number.

420133330973 is a deficient number, since it is larger than the sum of its proper divisors (1).

420133330973 is an equidigital number, since it uses as much as digits as its factorization.

420133330973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 38.

Adding to 420133330973 its reverse (379033331024), we get a palindrome (799166661997).

The spelling of 420133330973 in words is "four hundred twenty billion, one hundred thirty-three million, three hundred thirty thousand, nine hundred seventy-three".