6555893697 has 12 divisors (see below), whose sum is σ = 9470790420. Its totient is φ = 4370057568.

The previous prime is 6555893683. The next prime is 6555893749. The reversal of 6555893697 is 7963985556.

It can be written as a sum of positive squares in 2 ways, for example, as 4319644176 + 2236249521 = 65724^2 + 47289^2 .

It is not a de Polignac number, because 6555893697 - 2⁴ = 6555893681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6555891697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40923 + ... + 121599.

It is an arithmetic number, because the mean of its divisors is an integer number (789232535).

Almost surely, 2^6555893697 is an apocalyptic number.

It is an amenable number.

6555893697 is a deficient number, since it is larger than the sum of its proper divisors (2914896723).

6555893697 is a wasteful number, since it uses less digits than its factorization.

6555893697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89712 (or 89709 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 63.

The square root of 6555893697 is about 80968.4734757918. The cubic root of 6555893697 is about 1871.5896476524.

The spelling of 6555893697 in words is "six billion, five hundred fifty-five million, eight hundred ninety-three thousand, six hundred ninety-seven".