543138919366 has 64 divisors (see below), whose sum is σ = 950665766400. Its totient is φ = 230975248896.

The previous prime is 543138919357. The next prime is 543138919373. The reversal of 543138919366 is 663919831345.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 543138919366.

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 31 ways as a sum of consecutive naturals, for example, 1380271 + ... + 1729573.

It is an arithmetic number, because the mean of its divisors is an integer number (14854152600).

Almost surely, 2^543138919366 is an apocalyptic number.

543138919366 is a deficient number, since it is larger than the sum of its proper divisors (407526847034).

543138919366 is a wasteful number, since it uses less digits than its factorization.

543138919366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349453.

The product of its digits is 12597120, while the sum is 58.

The spelling of 543138919366 in words is "five hundred forty-three billion, one hundred thirty-eight million, nine hundred nineteen thousand, three hundred sixty-six".