659698471 has 2 divisors, whose sum is σ = 659698472. Its totient is φ = 659698470.

The previous prime is 659698451. The next prime is 659698537. The reversal of 659698471 is 174896956.

659698471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 659698471 - 2⁷ = 659698343 is a prime.

It is a super-3 number, since 3×659698471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659698421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329849235 + 329849236.

It is an arithmetic number, because the mean of its divisors is an integer number (329849236).

Almost surely, 2^659698471 is an apocalyptic number.

659698471 is a deficient number, since it is larger than the sum of its proper divisors (1).

659698471 is an equidigital number, since it uses as much as digits as its factorization.

659698471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 55.

The square root of 659698471 is about 25684.5959866999. The cubic root of 659698471 is about 870.5261585830.

The spelling of 659698471 in words is "six hundred fifty-nine million, six hundred ninety-eight thousand, four hundred seventy-one".