4145838617 has 2 divisors, whose sum is σ = 4145838618. Its totient is φ = 4145838616.

The previous prime is 4145838611. The next prime is 4145838689. The reversal of 4145838617 is 7168385414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3652510096 + 493328521 = 60436^2 + 22211^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145838617 - 2⁴ = 4145838601 is a prime.

It is a super-3 number, since 3×4145838617³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4145838611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072919308 + 2072919309.

It is an arithmetic number, because the mean of its divisors is an integer number (2072919309).

Almost surely, 2^4145838617 is an apocalyptic number.

It is an amenable number.

4145838617 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145838617 is an equidigital number, since it uses as much as digits as its factorization.

4145838617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 4145838617 is about 64388.1869367355. The cubic root of 4145838617 is about 1606.4632595224.

The spelling of 4145838617 in words is "four billion, one hundred forty-five million, eight hundred thirty-eight thousand, six hundred seventeen".