5918201617 has 2 divisors, whose sum is σ = 5918201618. Its totient is φ = 5918201616.

The previous prime is 5918201563. The next prime is 5918201669. The reversal of 5918201617 is 7161028195.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4280299776 + 1637901841 = 65424^2 + 40471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5918201617 is a prime.

It is a super-2 number, since 2×5918201617² = 70050220758922829378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5918201617.

It is not a weakly prime, because it can be changed into another prime (5918201417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2959100808 + 2959100809.

It is an arithmetic number, because the mean of its divisors is an integer number (2959100809).

Almost surely, 2^5918201617 is an apocalyptic number.

It is an amenable number.

5918201617 is a deficient number, since it is larger than the sum of its proper divisors (1).

5918201617 is an equidigital number, since it uses as much as digits as its factorization.

5918201617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 5918201617 is about 76929.8486739705. The cubic root of 5918201617 is about 1808.8251400155.

The spelling of 5918201617 in words is "five billion, nine hundred eighteen million, two hundred one thousand, six hundred seventeen".