659420711 has 2 divisors, whose sum is σ = 659420712. Its totient is φ = 659420710.

The previous prime is 659420693. The next prime is 659420717. The reversal of 659420711 is 117024956.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-659420711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659420717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329710355 + 329710356.

It is an arithmetic number, because the mean of its divisors is an integer number (329710356).

Almost surely, 2^659420711 is an apocalyptic number.

659420711 is a deficient number, since it is larger than the sum of its proper divisors (1).

659420711 is an equidigital number, since it uses as much as digits as its factorization.

659420711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 659420711 is about 25679.1882854579. The cubic root of 659420711 is about 870.4039657430.

The spelling of 659420711 in words is "six hundred fifty-nine million, four hundred twenty thousand, seven hundred eleven".