3509116817 has 2 divisors, whose sum is σ = 3509116818. Its totient is φ = 3509116816.

The previous prime is 3509116813. The next prime is 3509116861. The reversal of 3509116817 is 7186119053.

3509116817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2083374736 + 1425742081 = 45644^2 + 37759^2 .

It is a cyclic number.

It is not a de Polignac number, because 3509116817 - 2² = 3509116813 is a prime.

It is a super-2 number, since 2×3509116817² = 24627801670704422978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3509116811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754558408 + 1754558409.

It is an arithmetic number, because the mean of its divisors is an integer number (1754558409).

Almost surely, 2^3509116817 is an apocalyptic number.

It is an amenable number.

3509116817 is a deficient number, since it is larger than the sum of its proper divisors (1).

3509116817 is an equidigital number, since it uses as much as digits as its factorization.

3509116817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 3509116817 is about 59237.7988871970. The cubic root of 3509116817 is about 1519.6116299151.

The spelling of 3509116817 in words is "three billion, five hundred nine million, one hundred sixteen thousand, eight hundred seventeen".