6924399543 has 6 divisors (see below), whose sum is σ = 10001910464. Its totient is φ = 4616266356.

The previous prime is 6924399487. The next prime is 6924399589. The reversal of 6924399543 is 3459934296.

6924399543 is a `hidden beast` number, since 6 + 9 + 2 + 4 + 3 + 99 + 543 = 666.

It is not a de Polignac number, because 6924399543 - 2¹⁶ = 6924334007 is a prime.

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 6924399543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6924399943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384688855 + ... + 384688872.

Almost surely, 2^6924399543 is an apocalyptic number.

6924399543 is a deficient number, since it is larger than the sum of its proper divisors (3077510921).

6924399543 is a wasteful number, since it uses less digits than its factorization.

6924399543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769377733 (or 769377730 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The square root of 6924399543 is about 83212.9770108004. The cubic root of 6924399543 is about 1906.0196471657.

The spelling of 6924399543 in words is "six billion, nine hundred twenty-four million, three hundred ninety-nine thousand, five hundred forty-three".