6691046463 has 6 divisors (see below), whose sum is σ = 9664844904. Its totient is φ = 4460697636.

The previous prime is 6691046429. The next prime is 6691046471. The reversal of 6691046463 is 3646401966.

6691046463 is a `hidden beast` number, since 66 + 91 + 0 + 46 + 463 = 666.

6691046463 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6691046463 - 2⁹ = 6691045951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691046413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371724795 + ... + 371724812.

It is an arithmetic number, because the mean of its divisors is an integer number (1610807484).

Almost surely, 2^6691046463 is an apocalyptic number.

6691046463 is a deficient number, since it is larger than the sum of its proper divisors (2973798441).

6691046463 is a wasteful number, since it uses less digits than its factorization.

6691046463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743449613 (or 743449610 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 6691046463 is about 81798.8170024481. The cubic root of 6691046463 is about 1884.3634934637.

The spelling of 6691046463 in words is "six billion, six hundred ninety-one million, forty-six thousand, four hundred sixty-three".