420575120522143 has 2 divisors, whose sum is σ = 420575120522144. Its totient is φ = 420575120522142.

The previous prime is 420575120522119. The next prime is 420575120522189. The reversal of 420575120522143 is 341225021575024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420575120522143 is a prime.

It is a super-2 number, since 2×420575120522143² (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 420575120522143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420575120522443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210287560261071 + 210287560261072.

It is an arithmetic number, because the mean of its divisors is an integer number (210287560261072).

Almost surely, 2^{420575120522143} is an apocalyptic number.

420575120522143 is a deficient number, since it is larger than the sum of its proper divisors (1).

420575120522143 is an equidigital number, since it uses as much as digits as its factorization.

420575120522143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 420575120522143 in words is "four hundred twenty trillion, five hundred seventy-five billion, one hundred twenty million, five hundred twenty-two thousand, one hundred forty-three".