3118440617 has 2 divisors, whose sum is σ = 3118440618. Its totient is φ = 3118440616.

The previous prime is 3118440593. The next prime is 3118440643. The reversal of 3118440617 is 7160448113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2819185216 + 299255401 = 53096^2 + 17299^2 .

It is a cyclic number.

It is not a de Polignac number, because 3118440617 - 2¹⁶ = 3118375081 is a prime.

It is not a weakly prime, because it can be changed into another prime (3118440317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1559220308 + 1559220309.

It is an arithmetic number, because the mean of its divisors is an integer number (1559220309).

Almost surely, 2^3118440617 is an apocalyptic number.

It is an amenable number.

3118440617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3118440617 is an equidigital number, since it uses as much as digits as its factorization.

3118440617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 3118440617 is about 55842.9997134824. Note that the first 3 decimals coincide. The cubic root of 3118440617 is about 1460.9852324470.

The spelling of 3118440617 in words is "three billion, one hundred eighteen million, four hundred forty thousand, six hundred seventeen".