6542667430 has 64 divisors (see below), whose sum is σ = 13714686720. Its totient is φ = 2225240064.

The previous prime is 6542667421. The next prime is 6542667433. The reversal of 6542667430 is 347662456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542667433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72376 + ... + 135364.

It is an arithmetic number, because the mean of its divisors is an integer number (214291980).

Almost surely, 2^6542667430 is an apocalyptic number.

6542667430 is an abundant number, since it is smaller than the sum of its proper divisors (7172019290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6542667430 is a wasteful number, since it uses less digits than its factorization.

6542667430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63073.

The product of its (nonzero) digits is 725760, while the sum is 43.

The square root of 6542667430 is about 80886.7568270604. The cubic root of 6542667430 is about 1870.3301799087.

The spelling of 6542667430 in words is "six billion, five hundred forty-two million, six hundred sixty-seven thousand, four hundred thirty".