6513318441 has 12 divisors (see below), whose sum is σ = 10752144832. Its totient is φ = 3721896216.

The previous prime is 6513318437. The next prime is 6513318463. The reversal of 6513318441 is 1448133156.

It is not a de Polignac number, because 6513318441 - 2² = 6513318437 is a prime.

It is a super-2 number, since 2×6513318441² = 84846634227741340962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6513318396 and 6513318405.

It is not an unprimeable number, because it can be changed into a prime (6513318841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51692941 + ... + 51693066.

Almost surely, 2^6513318441 is an apocalyptic number.

It is an amenable number.

6513318441 is a deficient number, since it is larger than the sum of its proper divisors (4238826391).

6513318441 is a wasteful number, since it uses less digits than its factorization.

6513318441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103386020 (or 103386017 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6513318441 is about 80705.1326806418. The cubic root of 6513318441 is about 1867.5293557317.

The spelling of 6513318441 in words is "six billion, five hundred thirteen million, three hundred eighteen thousand, four hundred forty-one".