6509493711 has 24 divisors (see below), whose sum is σ = 10761233184. Its totient is φ = 3714379200.

The previous prime is 6509493709. The next prime is 6509493721. The reversal of 6509493711 is 1173949056.

It is not a de Polignac number, because 6509493711 - 2¹ = 6509493709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6509493721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29536 + ... + 117861.

It is an arithmetic number, because the mean of its divisors is an integer number (448384716).

Almost surely, 2^6509493711 is an apocalyptic number.

6509493711 is a deficient number, since it is larger than the sum of its proper divisors (4251739473).

6509493711 is a wasteful number, since it uses less digits than its factorization.

6509493711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148111 (or 148108 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 6509493711 is about 80681.4334961892. The cubic root of 6509493711 is about 1867.1637359535.

The spelling of 6509493711 in words is "six billion, five hundred nine million, four hundred ninety-three thousand, seven hundred eleven".