6742475543 has 4 divisors (see below), whose sum is σ = 6906926208. Its totient is φ = 6578024880.

The previous prime is 6742475503. The next prime is 6742475653. The reversal of 6742475543 is 3455742476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6742475543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742475503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82225271 + ... + 82225352.

It is an arithmetic number, because the mean of its divisors is an integer number (1726731552).

Almost surely, 2^6742475543 is an apocalyptic number.

6742475543 is a deficient number, since it is larger than the sum of its proper divisors (164450665).

6742475543 is a wasteful number, since it uses less digits than its factorization.

6742475543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164450664.

The product of its digits is 2822400, while the sum is 47.

The square root of 6742475543 is about 82112.5784700493. The cubic root of 6742475543 is about 1889.1790750949.

The spelling of 6742475543 in words is "six billion, seven hundred forty-two million, four hundred seventy-five thousand, five hundred forty-three".