6495265091 has 8 divisors (see below), whose sum is σ = 7425786624. Its totient is φ = 5565400200.

The previous prime is 6495265081. The next prime is 6495265093. The reversal of 6495265091 is 1905625946.

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 6495265091 - 2³⁰ = 5421523267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6495265093) 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, 142775 + ... + 182688.

It is an arithmetic number, because the mean of its divisors is an integer number (928223328).

Almost surely, 2^6495265091 is an apocalyptic number.

6495265091 is a deficient number, since it is larger than the sum of its proper divisors (930521533).

6495265091 is a wasteful number, since it uses less digits than its factorization.

6495265091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328321.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 6495265091 is about 80593.2074743275. The cubic root of 6495265091 is about 1865.8023119031.

The spelling of 6495265091 in words is "six billion, four hundred ninety-five million, two hundred sixty-five thousand, ninety-one".