285958683853 has 2 divisors, whose sum is σ = 285958683854. Its totient is φ = 285958683852.

The previous prime is 285958683841. The next prime is 285958683883. The reversal of 285958683853 is 358386859582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249218611524 + 36740072329 = 499218^2 + 191677^2 .

It is a cyclic number.

It is not a de Polignac number, because 285958683853 - 2⁹ = 285958683341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285958683823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142979341926 + 142979341927.

It is an arithmetic number, because the mean of its divisors is an integer number (142979341927).

Almost surely, 2^285958683853 is an apocalyptic number.

It is an amenable number.

285958683853 is a deficient number, since it is larger than the sum of its proper divisors (1).

285958683853 is an equidigital number, since it uses as much as digits as its factorization.

285958683853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664000, while the sum is 70.

The spelling of 285958683853 in words is "two hundred eighty-five billion, nine hundred fifty-eight million, six hundred eighty-three thousand, eight hundred fifty-three".