2933961221 has 8 divisors (see below), whose sum is σ = 2965140000. Its totient is φ = 2902824400.

The previous prime is 2933961181. The next prime is 2933961223. The reversal of 2933961221 is 1221693392.

It is a happy number.

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 2933961221 - 2⁶ = 2933961157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2933961223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141710 + ... + 161088.

It is an arithmetic number, because the mean of its divisors is an integer number (370642500).

Almost surely, 2^2933961221 is an apocalyptic number.

It is an amenable number.

2933961221 is a deficient number, since it is larger than the sum of its proper divisors (31178779).

2933961221 is a wasteful number, since it uses less digits than its factorization.

2933961221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20979.

The product of its digits is 34992, while the sum is 38.

The square root of 2933961221 is about 54166.0522929261. The cubic root of 2933961221 is about 1431.5882431738.

The spelling of 2933961221 in words is "two billion, nine hundred thirty-three million, nine hundred sixty-one thousand, two hundred twenty-one".