659419417 has 2 divisors, whose sum is σ = 659419418. Its totient is φ = 659419416.

The previous prime is 659419393. The next prime is 659419463. The reversal of 659419417 is 714914956.

It is an a-pointer prime, because the next prime (659419463) can be obtained adding 659419417 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427496976 + 231922441 = 20676^2 + 15229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-659419417 is a prime.

It is not a weakly prime, because it can be changed into another prime (659419517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329709708 + 329709709.

It is an arithmetic number, because the mean of its divisors is an integer number (329709709).

Almost surely, 2^659419417 is an apocalyptic number.

It is an amenable number.

659419417 is a deficient number, since it is larger than the sum of its proper divisors (1).

659419417 is an equidigital number, since it uses as much as digits as its factorization.

659419417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 659419417 is about 25679.1630899451. The cubic root of 659419417 is about 870.4033964031.

The spelling of 659419417 in words is "six hundred fifty-nine million, four hundred nineteen thousand, four hundred seventeen".