2091320950 has 24 divisors (see below), whose sum is σ = 3953630880. Its totient is φ = 822813600.

The previous prime is 2091320947. The next prime is 2091320969. The reversal of 2091320950 is 590231902.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 339790 + ... + 345889.

It is an arithmetic number, because the mean of its divisors is an integer number (164734620).

Almost surely, 2^2091320950 is an apocalyptic number.

2091320950 is a deficient number, since it is larger than the sum of its proper divisors (1862309930).

2091320950 is a wasteful number, since it uses less digits than its factorization.

2091320950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685752 (or 685747 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 2091320950 is about 45730.9627058080. The cubic root of 2091320950 is about 1278.8125686239.

The spelling of 2091320950 in words is "two billion, ninety-one million, three hundred twenty thousand, nine hundred fifty".