949105921 has 8 divisors (see below), whose sum is σ = 981573120. Its totient is φ = 917150208.

The previous prime is 949105901. The next prime is 949105957. The reversal of 949105921 is 129501949.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 949105921 - 2¹¹ = 949103873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949105901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124096 + ... + 131521.

It is an arithmetic number, because the mean of its divisors is an integer number (122696640).

Almost surely, 2^949105921 is an apocalyptic number.

It is an amenable number.

949105921 is a deficient number, since it is larger than the sum of its proper divisors (32467199).

949105921 is a wasteful number, since it uses less digits than its factorization.

949105921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255743.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 949105921 is about 30807.5627241105. The cubic root of 949105921 is about 982.7390819431.

The spelling of 949105921 in words is "nine hundred forty-nine million, one hundred five thousand, nine hundred twenty-one".