6635201117 has 2 divisors, whose sum is σ = 6635201118. Its totient is φ = 6635201116.

The previous prime is 6635201087. The next prime is 6635201119. The reversal of 6635201117 is 7111025366.

6635201117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6478801081 + 156400036 = 80491^2 + 12506^2 .

It is a cyclic number.

It is not a de Polignac number, because 6635201117 - 2¹⁰ = 6635200093 is a prime.

Together with 6635201119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6635201119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317600558 + 3317600559.

It is an arithmetic number, because the mean of its divisors is an integer number (3317600559).

Almost surely, 2^6635201117 is an apocalyptic number.

It is an amenable number.

6635201117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6635201117 is an equidigital number, since it uses as much as digits as its factorization.

6635201117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 6635201117 is about 81456.7438399056. The cubic root of 6635201117 is about 1879.1063654092.

The spelling of 6635201117 in words is "six billion, six hundred thirty-five million, two hundred one thousand, one hundred seventeen".