6545204613 has 12 divisors (see below), whose sum is σ = 9456895968. Its totient is φ = 4362218280.

The previous prime is 6545204587. The next prime is 6545204671. The reversal of 6545204613 is 3164025456.

It is not a de Polignac number, because 6545204613 - 2¹⁷ = 6545073541 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545204513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70593 + ... + 134438.

It is an arithmetic number, because the mean of its divisors is an integer number (788074664).

Almost surely, 2^6545204613 is an apocalyptic number.

It is an amenable number.

6545204613 is a deficient number, since it is larger than the sum of its proper divisors (2911691355).

6545204613 is a wasteful number, since it uses less digits than its factorization.

6545204613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208584 (or 208581 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 6545204613 is about 80902.4388569343. The cubic root of 6545204613 is about 1870.5719139679.

The spelling of 6545204613 in words is "six billion, five hundred forty-five million, two hundred four thousand, six hundred thirteen".