6509216263 has 8 divisors (see below), whose sum is σ = 7105956480. Its totient is φ = 5913308280.

The previous prime is 6509216249. The next prime is 6509216267. The reversal of 6509216263 is 3626129056.

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

It is not a de Polignac number, because 6509216263 - 2⁹ = 6509215751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6509216267) 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, 191643 + ... + 223036.

It is an arithmetic number, because the mean of its divisors is an integer number (888244560).

Almost surely, 2^6509216263 is an apocalyptic number.

6509216263 is a deficient number, since it is larger than the sum of its proper divisors (596740217).

6509216263 is a wasteful number, since it uses less digits than its factorization.

6509216263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416117.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 6509216263 is about 80679.7140736133. The cubic root of 6509216263 is about 1867.1372081247.

The spelling of 6509216263 in words is "six billion, five hundred nine million, two hundred sixteen thousand, two hundred sixty-three".