659942950 has 12 divisors (see below), whose sum is σ = 1227493980. Its totient is φ = 263977160.

The previous prime is 659942947. The next prime is 659942951. The reversal of 659942950 is 59249956.

It is a junction number, because it is equal to n+sod(n) for n = 659942894 and 659942903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659942951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6599380 + ... + 6599479.

It is an arithmetic number, because the mean of its divisors is an integer number (102291165).

Almost surely, 2^659942950 is an apocalyptic number.

659942950 is a deficient number, since it is larger than the sum of its proper divisors (567551030).

659942950 is a wasteful number, since it uses less digits than its factorization.

659942950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198871 (or 13198866 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 659942950 is about 25689.3547992160. The cubic root of 659942950 is about 870.6336819891.

The spelling of 659942950 in words is "six hundred fifty-nine million, nine hundred forty-two thousand, nine hundred fifty".