420311422354163 has 2 divisors, whose sum is σ = 420311422354164. Its totient is φ = 420311422354162.

The previous prime is 420311422354111. The next prime is 420311422354181. The reversal of 420311422354163 is 361453224113024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420311422354163 - 2¹⁰ = 420311422353139 is a prime.

It is a super-2 number, since 2×420311422354163² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420311422354163.

It is not a weakly prime, because it can be changed into another prime (420311422354463) 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, 210155711177081 + 210155711177082.

It is an arithmetic number, because the mean of its divisors is an integer number (210155711177082).

Almost surely, 2^{420311422354163} is an apocalyptic number.

420311422354163 is a deficient number, since it is larger than the sum of its proper divisors (1).

420311422354163 is an equidigital number, since it uses as much as digits as its factorization.

420311422354163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 420311422354163 its reverse (361453224113024), we get a palindrome (781764646467187).

The spelling of 420311422354163 in words is "four hundred twenty trillion, three hundred eleven billion, four hundred twenty-two million, three hundred fifty-four thousand, one hundred sixty-three".