30540430543 has 4 divisors (see below), whose sum is σ = 34903349200. Its totient is φ = 26177511888.

The previous prime is 30540430519. The next prime is 30540430573. The reversal of 30540430543 is 34503404503.

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-30540430543 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 (30540430573) 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, 2181459318 + ... + 2181459331.

It is an arithmetic number, because the mean of its divisors is an integer number (8725837300).

Almost surely, 2^30540430543 is an apocalyptic number.

30540430543 is a deficient number, since it is larger than the sum of its proper divisors (4362918657).

30540430543 is an equidigital number, since it uses as much as digits as its factorization.

30540430543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362918656.

The product of its (nonzero) digits is 43200, while the sum is 31.

The spelling of 30540430543 in words is "thirty billion, five hundred forty million, four hundred thirty thousand, five hundred forty-three".