6894542697 has 24 divisors (see below), whose sum is σ = 10706695776. Its totient is φ = 3934905408.

The previous prime is 6894542689. The next prime is 6894542713. The reversal of 6894542697 is 7962454986.

6894542697 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 6894542697 - 2³ = 6894542689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6894542697.

It is not an unprimeable number, because it can be changed into a prime (6894542647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93213 + ... + 149925.

It is an arithmetic number, because the mean of its divisors is an integer number (446112324).

Almost surely, 2^6894542697 is an apocalyptic number.

It is an amenable number.

6894542697 is a deficient number, since it is larger than the sum of its proper divisors (3812153079).

6894542697 is a wasteful number, since it uses less digits than its factorization.

6894542697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57557 (or 57550 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The square root of 6894542697 is about 83033.3830275510. The cubic root of 6894542697 is about 1903.2762216209.

The spelling of 6894542697 in words is "six billion, eight hundred ninety-four million, five hundred forty-two thousand, six hundred ninety-seven".