6545764998 has 24 divisors (see below), whose sum is σ = 14189526000. Its totient is φ = 2180839344.

The previous prime is 6545764991. The next prime is 6545765099. The reversal of 6545764998 is 8994675456.

6545764998 is a `hidden beast` number, since 6 + 54 + 576 + 4 + 9 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545764991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52473 + ... + 125876.

It is an arithmetic number, because the mean of its divisors is an integer number (591230250).

Almost surely, 2^6545764998 is an apocalyptic number.

6545764998 is an abundant number, since it is smaller than the sum of its proper divisors (7643761002).

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

6545764998 is a wasteful number, since it uses less digits than its factorization.

6545764998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180396 (or 180393 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The square root of 6545764998 is about 80905.9021209207. The cubic root of 6545764998 is about 1870.6252970979.

The spelling of 6545764998 in words is "six billion, five hundred forty-five million, seven hundred sixty-four thousand, nine hundred ninety-eight".