3421215916 has 24 divisors (see below), whose sum is σ = 6162702336. Its totient is φ = 1661017680.

The previous prime is 3421215901. The next prime is 3421215961. The reversal of 3421215916 is 6195121243.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47770 + ... + 95521.

It is an arithmetic number, because the mean of its divisors is an integer number (256779264).

Almost surely, 2^3421215916 is an apocalyptic number.

It is an amenable number.

3421215916 is a deficient number, since it is larger than the sum of its proper divisors (2741486420).

3421215916 is a wasteful number, since it uses less digits than its factorization.

3421215916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143469 (or 143467 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 3421215916 is about 58491.1610074548. The cubic root of 3421215916 is about 1506.8157855080.

The spelling of 3421215916 in words is "three billion, four hundred twenty-one million, two hundred fifteen thousand, nine hundred sixteen".