949919649 has 16 divisors (see below), whose sum is σ = 1523681280. Its totient is φ = 514242000.

The previous prime is 949919627. The next prime is 949919651. The reversal of 949919649 is 946919949.

It is not a de Polignac number, because 949919649 - 2⁸ = 949919393 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 949919592 and 949919601.

It is not an unprimeable number, because it can be changed into a prime (949919669) 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 15 ways as a sum of consecutive naturals, for example, 1189977 + ... + 1190774.

It is an arithmetic number, because the mean of its divisors is an integer number (95230080).

Almost surely, 2^949919649 is an apocalyptic number.

It is an amenable number.

949919649 is a deficient number, since it is larger than the sum of its proper divisors (573761631).

949919649 is a wasteful number, since it uses less digits than its factorization.

949919649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380780.

The product of its digits is 5668704, while the sum is 60.

The square root of 949919649 is about 30820.7665219410. The cubic root of 949919649 is about 983.0198563222.

The spelling of 949919649 in words is "nine hundred forty-nine million, nine hundred nineteen thousand, six hundred forty-nine".