6461967782 has 8 divisors (see below), whose sum is σ = 9736418496. Its totient is φ = 3216494952.

The previous prime is 6461967769. The next prime is 6461967791. The reversal of 6461967782 is 2877691646.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7243913 + ... + 7244804.

It is an arithmetic number, because the mean of its divisors is an integer number (1217052312).

Almost surely, 2^6461967782 is an apocalyptic number.

6461967782 is a deficient number, since it is larger than the sum of its proper divisors (3274450714).

6461967782 is a wasteful number, since it uses less digits than its factorization.

6461967782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14488942.

The product of its digits is 6096384, while the sum is 56.

The square root of 6461967782 is about 80386.3656474156. The cubic root of 6461967782 is about 1862.6085669309.

The spelling of 6461967782 in words is "six billion, four hundred sixty-one million, nine hundred sixty-seven thousand, seven hundred eighty-two".