281628429360312 has 16 divisors (see below), whose sum is σ = 704071073400840. Its totient is φ = 93876143120096.

The previous prime is 281628429360269. The next prime is 281628429360347. The reversal of 281628429360312 is 213063924826182.

It is a super-2 number, since 2×281628429360312² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5867258944983 + ... + 5867258945030.

Almost surely, 2^{281628429360312} is an apocalyptic number.

It is an amenable number.

281628429360312 is an abundant number, since it is smaller than the sum of its proper divisors (422442644040528).

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

281628429360312 is a wasteful number, since it uses less digits than its factorization.

281628429360312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11734517890022 (or 11734517890018 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 281628429360312 in words is "two hundred eighty-one trillion, six hundred twenty-eight billion, four hundred twenty-nine million, three hundred sixty thousand, three hundred twelve".