2058194798791 has 4 divisors (see below), whose sum is σ = 2061395724472. Its totient is φ = 2054993873112.

The previous prime is 2058194798771. The next prime is 2058194798839. The reversal of 2058194798791 is 1978974918502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2058194798791 - 2⁹ = 2058194798279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2058194798791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058194798771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600461876 + ... + 1600463161.

It is an arithmetic number, because the mean of its divisors is an integer number (515348931118).

Almost surely, 2^{2058194798791} is an apocalyptic number.

2058194798791 is a deficient number, since it is larger than the sum of its proper divisors (3200925681).

2058194798791 is an equidigital number, since it uses as much as digits as its factorization.

2058194798791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200925680.

The product of its (nonzero) digits is 91445760, while the sum is 70.

The spelling of 2058194798791 in words is "two trillion, fifty-eight billion, one hundred ninety-four million, seven hundred ninety-eight thousand, seven hundred ninety-one".