2021792993 has 16 divisors (see below), whose sum is σ = 2227751232. Its totient is φ = 1834747200.

The previous prime is 2021792957. The next prime is 2021793001. The reversal of 2021792993 is 3992971202.

It is not a de Polignac number, because 2021792993 - 2¹⁰ = 2021791969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021792953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078505 + ... + 1080377.

It is an arithmetic number, because the mean of its divisors is an integer number (139234452).

Almost surely, 2^2021792993 is an apocalyptic number.

It is an amenable number.

2021792993 is a deficient number, since it is larger than the sum of its proper divisors (205958239).

2021792993 is an equidigital number, since it uses as much as digits as its factorization.

2021792993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 2021792993 is about 44964.3524694841. The cubic root of 2021792993 is about 1264.4807698935.

The spelling of 2021792993 in words is "two billion, twenty-one million, seven hundred ninety-two thousand, nine hundred ninety-three".