6946445385 has 96 divisors (see below), whose sum is σ = 13697244288. Its totient is φ = 3349278720.

The previous prime is 6946445381. The next prime is 6946445423. The reversal of 6946445385 is 5835446496.

6946445385 is a `hidden beast` number, since 69 + 4 + 6 + 44 + 538 + 5 = 666.

It is not a de Polignac number, because 6946445385 - 2² = 6946445381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6946445381) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2578099 + ... + 2580791.

It is an arithmetic number, because the mean of its divisors is an integer number (142679628).

Almost surely, 2^6946445385 is an apocalyptic number.

It is an amenable number.

6946445385 is a deficient number, since it is larger than the sum of its proper divisors (6750798903).

6946445385 is a wasteful number, since it uses less digits than its factorization.

6946445385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917 (or 2905 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The square root of 6946445385 is about 83345.3381119784. The cubic root of 6946445385 is about 1908.0402937379.

The spelling of 6946445385 in words is "six billion, nine hundred forty-six million, four hundred forty-five thousand, three hundred eighty-five".