6542908043 has 8 divisors (see below), whose sum is σ = 7659990240. Its totient is φ = 5471421120.

The previous prime is 6542907971. The next prime is 6542908087. The reversal of 6542908043 is 3408092456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6542908043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (6542908093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11398508 + ... + 11399081.

It is an arithmetic number, because the mean of its divisors is an integer number (957498780).

Almost surely, 2^6542908043 is an apocalyptic number.

6542908043 is a deficient number, since it is larger than the sum of its proper divisors (1117082197).

6542908043 is a wasteful number, since it uses less digits than its factorization.

6542908043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22797637.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 6542908043 is about 80888.2441582212. The cubic root of 6542908043 is about 1870.3531073688.

The spelling of 6542908043 in words is "six billion, five hundred forty-two million, nine hundred eight thousand, forty-three".