420504351341 has 2 divisors, whose sum is σ = 420504351342. Its totient is φ = 420504351340.

The previous prime is 420504351329. The next prime is 420504351461. The reversal of 420504351341 is 143153405024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294582990025 + 125921361316 = 542755^2 + 354854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420504351341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420504351298 and 420504351307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420504351941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210252175670 + 210252175671.

It is an arithmetic number, because the mean of its divisors is an integer number (210252175671).

Almost surely, 2^420504351341 is an apocalyptic number.

It is an amenable number.

420504351341 is a deficient number, since it is larger than the sum of its proper divisors (1).

420504351341 is an equidigital number, since it uses as much as digits as its factorization.

420504351341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 420504351341 its reverse (143153405024), we get a palindrome (563657756365).

The spelling of 420504351341 in words is "four hundred twenty billion, five hundred four million, three hundred fifty-one thousand, three hundred forty-one".