6513423311 has 4 divisors (see below), whose sum is σ = 6517183512. Its totient is φ = 6509663112.

The previous prime is 6513423283. The next prime is 6513423317. The reversal of 6513423311 is 1133243156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6513423311 - 2⁶ = 6513423247 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 (6513423317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877501 + ... + 1880966.

It is an arithmetic number, because the mean of its divisors is an integer number (1629295878).

Almost surely, 2^6513423311 is an apocalyptic number.

6513423311 is a deficient number, since it is larger than the sum of its proper divisors (3760201).

6513423311 is a wasteful number, since it uses less digits than its factorization.

6513423311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760200.

The product of its digits is 6480, while the sum is 29.

The square root of 6513423311 is about 80705.7823888722. The cubic root of 6513423311 is about 1867.5393786181.

Adding to 6513423311 its reverse (1133243156), we get a palindrome (7646666467).

The spelling of 6513423311 in words is "six billion, five hundred thirteen million, four hundred twenty-three thousand, three hundred eleven".