3345678617 has 2 divisors, whose sum is σ = 3345678618. Its totient is φ = 3345678616.

The previous prime is 3345678577. The next prime is 3345678619. The reversal of 3345678617 is 7168765433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2510410816 + 835267801 = 50104^2 + 28901^2 .

It is a cyclic number.

It is not a de Polignac number, because 3345678617 - 2¹⁰ = 3345677593 is a prime.

It is a super-3 number, since 3×3345678617³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 3345678619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3345678619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672839308 + 1672839309.

It is an arithmetic number, because the mean of its divisors is an integer number (1672839309).

Almost surely, 2^3345678617 is an apocalyptic number.

It is an amenable number.

3345678617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345678617 is an equidigital number, since it uses as much as digits as its factorization.

3345678617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 50.

The square root of 3345678617 is about 57841.8414039526. The cubic root of 3345678617 is about 1495.6434506422.

The spelling of 3345678617 in words is "three billion, three hundred forty-five million, six hundred seventy-eight thousand, six hundred seventeen".