6542866354 has 16 divisors (see below), whose sum is σ = 9885715200. Its totient is φ = 3247689744.

The previous prime is 6542866339. The next prime is 6542866357. The reversal of 6542866354 is 4536682456.

It is a junction number, because it is equal to n+sod(n) for n = 6542866298 and 6542866307.

It is not an unprimeable number, because it can be changed into a prime (6542866357) 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, 202252 + ... + 232360.

It is an arithmetic number, because the mean of its divisors is an integer number (617857200).

Almost surely, 2^6542866354 is an apocalyptic number.

6542866354 is a deficient number, since it is larger than the sum of its proper divisors (3342848846).

6542866354 is a wasteful number, since it uses less digits than its factorization.

6542866354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30897.

The product of its digits is 4147200, while the sum is 49.

The square root of 6542866354 is about 80887.9864627622. The cubic root of 6542866354 is about 1870.3491349600.

The spelling of 6542866354 in words is "six billion, five hundred forty-two million, eight hundred sixty-six thousand, three hundred fifty-four".