6509111341 has 4 divisors (see below), whose sum is σ = 6509524384. Its totient is φ = 6508698300.

The previous prime is 6509111311. The next prime is 6509111353. The reversal of 6509111341 is 1431119056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6509111341 - 2¹⁹ = 6508587053 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 (6509111311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181905 + ... + 214726.

It is an arithmetic number, because the mean of its divisors is an integer number (1627381096).

Almost surely, 2^6509111341 is an apocalyptic number.

It is an amenable number.

6509111341 is a deficient number, since it is larger than the sum of its proper divisors (413043).

6509111341 is a wasteful number, since it uses less digits than its factorization.

6509111341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413042.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 6509111341 is about 80679.0638331903. The cubic root of 6509111341 is about 1867.1271759480.

The spelling of 6509111341 in words is "six billion, five hundred nine million, one hundred eleven thousand, three hundred forty-one".