2120075791 has 2 divisors, whose sum is σ = 2120075792. Its totient is φ = 2120075790.

The previous prime is 2120075779. The next prime is 2120075813. The reversal of 2120075791 is 1975700212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120075791 - 2⁷ = 2120075663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120075701) by changing a digit.

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 as a sum of consecutive naturals, namely, 1060037895 + 1060037896.

It is an arithmetic number, because the mean of its divisors is an integer number (1060037896).

Almost surely, 2^2120075791 is an apocalyptic number.

2120075791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120075791 is an equidigital number, since it uses as much as digits as its factorization.

2120075791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 2120075791 is about 46044.2807631958. The cubic root of 2120075791 is about 1284.6469662593.

The spelling of 2120075791 in words is "two billion, one hundred twenty million, seventy-five thousand, seven hundred ninety-one".