6546438342 has 48 divisors (see below), whose sum is σ = 15200696160. Its totient is φ = 2030852736.

The previous prime is 6546438341. The next prime is 6546438373. The reversal of 6546438342 is 2438346456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546438341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198367 + ... + 229002.

It is an arithmetic number, because the mean of its divisors is an integer number (316681170).

Almost surely, 2^6546438342 is an apocalyptic number.

6546438342 is an abundant number, since it is smaller than the sum of its proper divisors (8654257818).

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

6546438342 is a wasteful number, since it uses less digits than its factorization.

6546438342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427437 (or 427434 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The square root of 6546438342 is about 80910.0632925225. The cubic root of 6546438342 is about 1870.6894368450.

The spelling of 6546438342 in words is "six billion, five hundred forty-six million, four hundred thirty-eight thousand, three hundred forty-two".