420500455242143 has 4 divisors (see below), whose sum is σ = 423710382381528. Its totient is φ = 417290528102760.

The previous prime is 420500455242083. The next prime is 420500455242151. The reversal of 420500455242143 is 341242554005024.

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 420500455242143 - 2⁶ = 420500455242079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420500455242143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420500455242743) 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, 1604963569496 + ... + 1604963569757.

It is an arithmetic number, because the mean of its divisors is an integer number (105927595595382).

Almost surely, 2^{420500455242143} is an apocalyptic number.

420500455242143 is a deficient number, since it is larger than the sum of its proper divisors (3209927139385).

420500455242143 is a wasteful number, since it uses less digits than its factorization.

420500455242143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209927139384.

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 420500455242143 in words is "four hundred twenty trillion, five hundred billion, four hundred fifty-five million, two hundred forty-two thousand, one hundred forty-three".