6545533747 has 8 divisors (see below), whose sum is σ = 6627845520. Its totient is φ = 6463416960.

The previous prime is 6545533741. The next prime is 6545533751. The reversal of 6545533747 is 7473355456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6545533747 - 2²⁷ = 6411316019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6545533747.

It is not an unprimeable number, because it can be changed into a prime (6545533741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19408 + ... + 116050.

It is an arithmetic number, because the mean of its divisors is an integer number (828480690).

Almost surely, 2^6545533747 is an apocalyptic number.

6545533747 is a deficient number, since it is larger than the sum of its proper divisors (82311773).

6545533747 is an equidigital number, since it uses as much as digits as its factorization.

6545533747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97493.

The product of its digits is 5292000, while the sum is 49.

The square root of 6545533747 is about 80904.4729727597. The cubic root of 6545533747 is about 1870.6032681441.

The spelling of 6545533747 in words is "six billion, five hundred forty-five million, five hundred thirty-three thousand, seven hundred forty-seven".