285854729493 has 8 divisors (see below), whose sum is σ = 390435728256. Its totient is φ = 185921775200.

The previous prime is 285854729437. The next prime is 285854729519. The reversal of 285854729493 is 394927458582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 285854729493 - 2¹⁶ = 285854663957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285854729593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162010973 + ... + 1162011218.

It is an arithmetic number, because the mean of its divisors is an integer number (48804466032).

Almost surely, 2^285854729493 is an apocalyptic number.

It is an amenable number.

285854729493 is a deficient number, since it is larger than the sum of its proper divisors (104580998763).

285854729493 is a wasteful number, since it uses less digits than its factorization.

285854729493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324022235.

The product of its digits is 174182400, while the sum is 66.

The spelling of 285854729493 in words is "two hundred eighty-five billion, eight hundred fifty-four million, seven hundred twenty-nine thousand, four hundred ninety-three".