543449769212 has 12 divisors (see below), whose sum is σ = 1086899538480. Its totient is φ = 232907043936.

The previous prime is 543449769199. The next prime is 543449769217. The reversal of 543449769212 is 212967944345.

It is a happy number.

543449769212 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543449769217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9704460137 + ... + 9704460192.

It is an arithmetic number, because the mean of its divisors is an integer number (90574961540).

Almost surely, 2^543449769212 is an apocalyptic number.

It is an amenable number.

543449769212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

543449769212 is a wasteful number, since it uses less digits than its factorization.

543449769212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19408920340 (or 19408920338 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 56.

The spelling of 543449769212 in words is "five hundred forty-three billion, four hundred forty-nine million, seven hundred sixty-nine thousand, two hundred twelve".