281483943252 has 12 divisors (see below), whose sum is σ = 656795867616. Its totient is φ = 93827981080.

The previous prime is 281483943229. The next prime is 281483943263. The reversal of 281483943252 is 252349384182.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 281483943195 and 281483943204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11728497624 + ... + 11728497647.

It is an arithmetic number, because the mean of its divisors is an integer number (54732988968).

Almost surely, 2^281483943252 is an apocalyptic number.

It is an amenable number.

281483943252 is an abundant number, since it is smaller than the sum of its proper divisors (375311924364).

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

281483943252 is a wasteful number, since it uses less digits than its factorization.

281483943252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23456995278 (or 23456995276 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The spelling of 281483943252 in words is "two hundred eighty-one billion, four hundred eighty-three million, nine hundred forty-three thousand, two hundred fifty-two".