6545129466 has 8 divisors (see below), whose sum is σ = 13090258944. Its totient is φ = 2181709820.

The previous prime is 6545129449. The next prime is 6545129471. The reversal of 6545129466 is 6649215456.

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

6545129466 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545427450 + ... + 545427461.

It is an arithmetic number, because the mean of its divisors is an integer number (1636282368).

Almost surely, 2^6545129466 is an apocalyptic number.

6545129466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6545129466 is a wasteful number, since it uses less digits than its factorization.

6545129466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090854916.

The product of its digits is 1555200, while the sum is 48.

The square root of 6545129466 is about 80901.9744258445. The cubic root of 6545129466 is about 1870.5647551183.

The spelling of 6545129466 in words is "six billion, five hundred forty-five million, one hundred twenty-nine thousand, four hundred sixty-six".