659400011 has 2 divisors, whose sum is σ = 659400012. Its totient is φ = 659400010.

The previous prime is 659399971. The next prime is 659400047. The reversal of 659400011 is 110004956.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-659400011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (659400061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329700005 + 329700006.

It is an arithmetic number, because the mean of its divisors is an integer number (329700006).

Almost surely, 2^659400011 is an apocalyptic number.

659400011 is a deficient number, since it is larger than the sum of its proper divisors (1).

659400011 is an equidigital number, since it uses as much as digits as its factorization.

659400011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 659400011 is about 25678.7852321717. The cubic root of 659400011 is about 870.3948579759.

Adding to 659400011 its reverse (110004956), we get a palindrome (769404967).

The spelling of 659400011 in words is "six hundred fifty-nine million, four hundred thousand, eleven".