42288417917 has 2 divisors, whose sum is σ = 42288417918. Its totient is φ = 42288417916.

The previous prime is 42288417889. The next prime is 42288417937. The reversal of 42288417917 is 71971488224.

42288417917 is digitally balanced in base 2, 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., 23268146521 + 19020271396 = 152539^2 + 137914^2 .

It is a cyclic number.

It is not a de Polignac number, because 42288417917 - 2¹⁰ = 42288416893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42288417937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21144208958 + 21144208959.

It is an arithmetic number, because the mean of its divisors is an integer number (21144208959).

Almost surely, 2^42288417917 is an apocalyptic number.

It is an amenable number.

42288417917 is a deficient number, since it is larger than the sum of its proper divisors (1).

42288417917 is an equidigital number, since it uses as much as digits as its factorization.

42288417917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 53.

The spelling of 42288417917 in words is "forty-two billion, two hundred eighty-eight million, four hundred seventeen thousand, nine hundred seventeen".