285019285953 has 4 divisors (see below), whose sum is σ = 380025714608. Its totient is φ = 190012857300.

The previous prime is 285019285951. The next prime is 285019285973. The reversal of 285019285953 is 359582910582.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 285019285953 - 2¹ = 285019285951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285019285893 and 285019285902.

It is not an unprimeable number, because it can be changed into a prime (285019285951) 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 3 ways as a sum of consecutive naturals, for example, 47503214323 + ... + 47503214328.

It is an arithmetic number, because the mean of its divisors is an integer number (95006428652).

Almost surely, 2^285019285953 is an apocalyptic number.

It is an amenable number.

285019285953 is a deficient number, since it is larger than the sum of its proper divisors (95006428655).

285019285953 is an equidigital number, since it uses as much as digits as its factorization.

285019285953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95006428654.

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 285019285953 in words is "two hundred eighty-five billion, nineteen million, two hundred eighty-five thousand, nine hundred fifty-three".