659349983 has 2 divisors, whose sum is σ = 659349984. Its totient is φ = 659349982.

The previous prime is 659349979. The next prime is 659349997. The reversal of 659349983 is 389943956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 659349983 - 2² = 659349979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659349923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329674991 + 329674992.

It is an arithmetic number, because the mean of its divisors is an integer number (329674992).

Almost surely, 2^659349983 is an apocalyptic number.

659349983 is a deficient number, since it is larger than the sum of its proper divisors (1).

659349983 is an equidigital number, since it uses as much as digits as its factorization.

659349983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6298560, while the sum is 56.

The square root of 659349983 is about 25677.8111021948. The cubic root of 659349983 is about 870.3728454320.

The spelling of 659349983 in words is "six hundred fifty-nine million, three hundred forty-nine thousand, nine hundred eighty-three".