6545677459 has 4 divisors (see below), whose sum is σ = 6546139416. Its totient is φ = 6545215504.

The previous prime is 6545677427. The next prime is 6545677499. The reversal of 6545677459 is 9547765456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6545677459 - 2⁵ = 6545677427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6545677499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209029 + ... + 238294.

It is an arithmetic number, because the mean of its divisors is an integer number (1636534854).

Almost surely, 2^6545677459 is an apocalyptic number.

6545677459 is a deficient number, since it is larger than the sum of its proper divisors (461957).

6545677459 is a wasteful number, since it uses less digits than its factorization.

6545677459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461956.

The product of its digits is 31752000, while the sum is 58.

The square root of 6545677459 is about 80905.3611264420. The cubic root of 6545677459 is about 1870.6169582000.

The spelling of 6545677459 in words is "six billion, five hundred forty-five million, six hundred seventy-seven thousand, four hundred fifty-nine".