6542490268 has 12 divisors (see below), whose sum is σ = 11465932072. Its totient is φ = 3266509680.

The previous prime is 6542490259. The next prime is 6542490271. The reversal of 6542490268 is 8620942456.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1180755 + ... + 1186282.

Almost surely, 2^6542490268 is an apocalyptic number.

It is an amenable number.

6542490268 is a deficient number, since it is larger than the sum of its proper divisors (4923441804).

6542490268 is a wasteful number, since it uses less digits than its factorization.

6542490268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367732 (or 2367730 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 6542490268 is about 80885.6616960015. The cubic root of 6542490268 is about 1870.3132981894.

The spelling of 6542490268 in words is "six billion, five hundred forty-two million, four hundred ninety thousand, two hundred sixty-eight".