281013608604 has 24 divisors (see below), whose sum is σ = 656012360080. Its totient is φ = 93626354304.

The previous prime is 281013608593. The next prime is 281013608677. The reversal of 281013608604 is 406806310182.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5579959 + ... + 5630094.

Almost surely, 2^281013608604 is an apocalyptic number.

It is an amenable number.

281013608604 is an abundant number, since it is smaller than the sum of its proper divisors (374998751476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

281013608604 is a wasteful number, since it uses less digits than its factorization.

281013608604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212149 (or 11212147 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

Adding to 281013608604 its reverse (406806310182), we get a palindrome (687819918786).

The spelling of 281013608604 in words is "two hundred eighty-one billion, thirteen million, six hundred eight thousand, six hundred four".