543543213604 has 24 divisors (see below), whose sum is σ = 1009086783768. Its totient is φ = 255294074880.

The previous prime is 543543213589. The next prime is 543543213623. The reversal of 543543213604 is 406312345345.

It can be written as a sum of positive squares in 4 ways, for example, as 40723240000 + 502819973604 = 201800^2 + 709098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7635669 + ... + 7706524.

It is an arithmetic number, because the mean of its divisors is an integer number (42045282657).

Almost surely, 2^543543213604 is an apocalyptic number.

It is an amenable number.

543543213604 is a deficient number, since it is larger than the sum of its proper divisors (465543570164).

543543213604 is a wasteful number, since it uses less digits than its factorization.

543543213604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342735 (or 15342733 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 543543213604 its reverse (406312345345), we get a palindrome (949855558949).

The spelling of 543543213604 in words is "five hundred forty-three billion, five hundred forty-three million, two hundred thirteen thousand, six hundred four".