2109962321 has 4 divisors (see below), whose sum is σ = 2121750000. Its totient is φ = 2098174644.

The previous prime is 2109962317. The next prime is 2109962341. The reversal of 2109962321 is 1232699012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2109962321 - 2² = 2109962317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109962311) 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 3 ways as a sum of consecutive naturals, for example, 5893571 + ... + 5893928.

It is an arithmetic number, because the mean of its divisors is an integer number (530437500).

Almost surely, 2^2109962321 is an apocalyptic number.

It is an amenable number.

2109962321 is a deficient number, since it is larger than the sum of its proper divisors (11787679).

2109962321 is a wasteful number, since it uses less digits than its factorization.

2109962321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11787678.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2109962321 is about 45934.3261733532. The cubic root of 2109962321 is about 1282.6009776771.

The spelling of 2109962321 in words is "two billion, one hundred nine million, nine hundred sixty-two thousand, three hundred twenty-one".