281416229481 has 8 divisors (see below), whose sum is σ = 394970146720. Its totient is φ = 177736565952.

The previous prime is 281416229473. The next prime is 281416229483. The reversal of 281416229481 is 184922614182.

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

It is not a de Polignac number, because 281416229481 - 2³ = 281416229473 is a prime.

It is a super-2 number, since 2×281416229481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 281416229481.

It is not an unprimeable number, because it can be changed into a prime (281416229483) 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, 2468563360 + ... + 2468563473.

It is an arithmetic number, because the mean of its divisors is an integer number (49371268340).

Almost surely, 2^281416229481 is an apocalyptic number.

It is an amenable number.

281416229481 is a deficient number, since it is larger than the sum of its proper divisors (113553917239).

281416229481 is a wasteful number, since it uses less digits than its factorization.

281416229481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937126855.

The product of its digits is 442368, while the sum is 48.

The spelling of 281416229481 in words is "two hundred eighty-one billion, four hundred sixteen million, two hundred twenty-nine thousand, four hundred eighty-one".