6850064663 has 6 divisors (see below), whose sum is σ = 7417525824. Its totient is φ = 6323136456.

The previous prime is 6850064621. The next prime is 6850064693. The reversal of 6850064663 is 3664600586.

It is not a de Polignac number, because 6850064663 - 2²⁰ = 6849016087 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 (6850064603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20266295 + ... + 20266632.

It is an arithmetic number, because the mean of its divisors is an integer number (1236254304).

Almost surely, 2^6850064663 is an apocalyptic number.

6850064663 is a deficient number, since it is larger than the sum of its proper divisors (567461161).

6850064663 is a wasteful number, since it uses less digits than its factorization.

6850064663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40532953 (or 40532940 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 6850064663 is about 82765.1174287816. The cubic root of 6850064663 is about 1899.1745872684.

The spelling of 6850064663 in words is "six billion, eight hundred fifty million, sixty-four thousand, six hundred sixty-three".