6394916065 has 8 divisors (see below), whose sum is σ = 7921444608. Its totient is φ = 4950902640.

The previous prime is 6394916039. The next prime is 6394916081. The reversal of 6394916065 is 5606194936.

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

It is not a de Polignac number, because 6394916065 - 2¹¹ = 6394914017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20628607 + ... + 20628916.

It is an arithmetic number, because the mean of its divisors is an integer number (990180576).

Almost surely, 2^6394916065 is an apocalyptic number.

It is an amenable number.

6394916065 is a deficient number, since it is larger than the sum of its proper divisors (1526528543).

6394916065 is a wasteful number, since it uses less digits than its factorization.

6394916065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41257559.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 6394916065 is about 79968.2190935874. The cubic root of 6394916065 is about 1856.1437878818.

The spelling of 6394916065 in words is "six billion, three hundred ninety-four million, nine hundred sixteen thousand, sixty-five".