949649959 has 2 divisors, whose sum is σ = 949649960. Its totient is φ = 949649958.

The previous prime is 949649957. The next prime is 949650043. The reversal of 949649959 is 959946949.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 949649959 - 2¹ = 949649957 is a prime.

Together with 949649957, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 949649959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949649951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474824979 + 474824980.

It is an arithmetic number, because the mean of its divisors is an integer number (474824980).

Almost surely, 2^949649959 is an apocalyptic number.

949649959 is a deficient number, since it is larger than the sum of its proper divisors (1).

949649959 is an equidigital number, since it uses as much as digits as its factorization.

949649959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28343520, while the sum is 64.

The square root of 949649959 is about 30816.3910768279. The cubic root of 949649959 is about 982.9268183766.

The spelling of 949649959 in words is "nine hundred forty-nine million, six hundred forty-nine thousand, nine hundred fifty-nine".