285420422973 has 16 divisors (see below), whose sum is σ = 434940166656. Its totient is φ = 163092206640.

The previous prime is 285420422941. The next prime is 285420422993. The reversal of 285420422973 is 379224024582.

It is not a de Polignac number, because 285420422973 - 2⁵ = 285420422941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285420422923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519790 + ... + 917072.

It is an arithmetic number, because the mean of its divisors is an integer number (27183760416).

Almost surely, 2^285420422973 is an apocalyptic number.

It is an amenable number.

285420422973 is a deficient number, since it is larger than the sum of its proper divisors (149519743683).

285420422973 is a wasteful number, since it uses less digits than its factorization.

285420422973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431504.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 285420422973 in words is "two hundred eighty-five billion, four hundred twenty million, four hundred twenty-two thousand, nine hundred seventy-three".