2090819260191 has 8 divisors (see below), whose sum is σ = 2788145855104. Its totient is φ = 1393686086040.

The previous prime is 2090819260181. The next prime is 2090819260193. The reversal of 2090819260191 is 1910629180902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2090819260191 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 2090819260191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090819260193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48329965 + ... + 48373206.

It is an arithmetic number, because the mean of its divisors is an integer number (348518231888).

Almost surely, 2^{2090819260191} is an apocalyptic number.

2090819260191 is a deficient number, since it is larger than the sum of its proper divisors (697326594913).

2090819260191 is an equidigital number, since it uses as much as digits as its factorization.

2090819260191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96710381.

The product of its (nonzero) digits is 139968, while the sum is 48.

The spelling of 2090819260191 in words is "two trillion, ninety billion, eight hundred nineteen million, two hundred sixty thousand, one hundred ninety-one".