2950307921 has 16 divisors (see below), whose sum is σ = 3317958720. Its totient is φ = 2600478720.

The previous prime is 2950307909. The next prime is 2950307929. The reversal of 2950307921 is 1297030592.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2950307921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2950307929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16241 + ... + 78513.

It is an arithmetic number, because the mean of its divisors is an integer number (207372420).

Almost surely, 2^2950307921 is an apocalyptic number.

It is an amenable number.

2950307921 is a deficient number, since it is larger than the sum of its proper divisors (367650799).

2950307921 is a wasteful number, since it uses less digits than its factorization.

2950307921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62416.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2950307921 is about 54316.7370246041. The cubic root of 2950307921 is about 1434.2420406063.

The spelling of 2950307921 in words is "two billion, nine hundred fifty million, three hundred seven thousand, nine hundred twenty-one".