2028213040191 has 32 divisors (see below), whose sum is σ = 3089037954240. Its totient is φ = 1172646887424.

The previous prime is 2028213040181. The next prime is 2028213040199. The reversal of 2028213040191 is 1910403128202.

It is not a de Polignac number, because 2028213040191 - 2⁵ = 2028213040159 is a prime.

It is a super-2 number, since 2×2028213040191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028213040199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2310930 + ... + 3065423.

It is an arithmetic number, because the mean of its divisors is an integer number (96532436070).

Almost surely, 2^{2028213040191} is an apocalyptic number.

2028213040191 is a deficient number, since it is larger than the sum of its proper divisors (1060824914049).

2028213040191 is a wasteful number, since it uses less digits than its factorization.

2028213040191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376955.

The product of its (nonzero) digits is 6912, while the sum is 33.

Adding to 2028213040191 its reverse (1910403128202), we get a palindrome (3938616168393).

The spelling of 2028213040191 in words is "two trillion, twenty-eight billion, two hundred thirteen million, forty thousand, one hundred ninety-one".