6486261965 has 8 divisors (see below), whose sum is σ = 7786741248. Its totient is φ = 5186858320.

The previous prime is 6486261961. The next prime is 6486261989. The reversal of 6486261965 is 5691626846.

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

It is not a de Polignac number, because 6486261965 - 2² = 6486261961 is a prime.

It is a super-2 number, since 2×6486261965² = 84143188557211322450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486261961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255581 + ... + 279810.

It is an arithmetic number, because the mean of its divisors is an integer number (973342656).

Almost surely, 2^6486261965 is an apocalyptic number.

It is an amenable number.

6486261965 is a deficient number, since it is larger than the sum of its proper divisors (1300479283).

6486261965 is a wasteful number, since it uses less digits than its factorization.

6486261965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537819.

The product of its digits is 3732480, while the sum is 53.

The square root of 6486261965 is about 80537.3327407855. The cubic root of 6486261965 is about 1864.9398466895.

The spelling of 6486261965 in words is "six billion, four hundred eighty-six million, two hundred sixty-one thousand, nine hundred sixty-five".