6995655599 has 2 divisors, whose sum is σ = 6995655600. Its totient is φ = 6995655598.

The previous prime is 6995655593. The next prime is 6995655629. The reversal of 6995655599 is 9955565996.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6995655599 - 2²⁰ = 6994607023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6995655593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497827799 + 3497827800.

It is an arithmetic number, because the mean of its divisors is an integer number (3497827800).

Almost surely, 2^6995655599 is an apocalyptic number.

6995655599 is a deficient number, since it is larger than the sum of its proper divisors (1).

6995655599 is an equidigital number, since it uses as much as digits as its factorization.

6995655599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147622500, while the sum is 68.

The square root of 6995655599 is about 83640.0358620200. The cubic root of 6995655599 is about 1912.5353608681.

The spelling of 6995655599 in words is "six billion, nine hundred ninety-five million, six hundred fifty-five thousand, five hundred ninety-nine".