7849670617 has 2 divisors, whose sum is σ = 7849670618. Its totient is φ = 7849670616.

The previous prime is 7849670581. The next prime is 7849670623. The reversal of 7849670617 is 7160769487.

7849670617 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., 3928280976 + 3921389641 = 62676^2 + 62621^2 .

It is an emirp because it is prime and its reverse (7160769487) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7849670617 - 2¹⁹ = 7849146329 is a prime.

It is not a weakly prime, because it can be changed into another prime (7849670677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924835308 + 3924835309.

It is an arithmetic number, because the mean of its divisors is an integer number (3924835309).

Almost surely, 2^7849670617 is an apocalyptic number.

It is an amenable number.

7849670617 is a deficient number, since it is larger than the sum of its proper divisors (1).

7849670617 is an equidigital number, since it uses as much as digits as its factorization.

7849670617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 7849670617 is about 88598.3668980416. The cubic root of 7849670617 is about 1987.3932533521.

The spelling of 7849670617 in words is "seven billion, eight hundred forty-nine million, six hundred seventy thousand, six hundred seventeen".