285821103094 has 32 divisors (see below), whose sum is σ = 438269913216. Its totient is φ = 139758981120.

The previous prime is 285821103091. The next prime is 285821103119. The reversal of 285821103094 is 490301128582.

It is a super-4 number, since 4×285821103094⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 285821103094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285821103091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76687459 + ... + 76691185.

It is an arithmetic number, because the mean of its divisors is an integer number (13695934788).

Almost surely, 2^285821103094 is an apocalyptic number.

285821103094 is a deficient number, since it is larger than the sum of its proper divisors (152448810122).

285821103094 is a wasteful number, since it uses less digits than its factorization.

285821103094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 285821103094 in words is "two hundred eighty-five billion, eight hundred twenty-one million, one hundred three thousand, ninety-four".