420522832566143 has 4 divisors (see below), whose sum is σ = 435023619896040. Its totient is φ = 406022045236248.

The previous prime is 420522832566127. The next prime is 420522832566169. The reversal of 420522832566143 is 341665238225024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420522832566143 - 2⁴ = 420522832566127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420522832766143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7250393664905 + ... + 7250393664962.

It is an arithmetic number, because the mean of its divisors is an integer number (108755904974010).

Almost surely, 2^{420522832566143} is an apocalyptic number.

420522832566143 is a deficient number, since it is larger than the sum of its proper divisors (14500787329897).

420522832566143 is a wasteful number, since it uses less digits than its factorization.

420522832566143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500787329896.

The product of its (nonzero) digits is 16588800, while the sum is 53.

The spelling of 420522832566143 in words is "four hundred twenty trillion, five hundred twenty-two billion, eight hundred thirty-two million, five hundred sixty-six thousand, one hundred forty-three".