420420003487163 has 2 divisors, whose sum is σ = 420420003487164. Its totient is φ = 420420003487162.

The previous prime is 420420003487151. The next prime is 420420003487201. The reversal of 420420003487163 is 361784300024024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420420003487163 is a prime.

It is a super-2 number, since 2×420420003487163² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420420003417163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210210001743581 + 210210001743582.

It is an arithmetic number, because the mean of its divisors is an integer number (210210001743582).

Almost surely, 2^{420420003487163} is an apocalyptic number.

420420003487163 is a deficient number, since it is larger than the sum of its proper divisors (1).

420420003487163 is an equidigital number, since it uses as much as digits as its factorization.

420420003487163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 420420003487163 in words is "four hundred twenty trillion, four hundred twenty billion, three million, four hundred eighty-seven thousand, one hundred sixty-three".