2190835555 has 4 divisors (see below), whose sum is σ = 2629002672. Its totient is φ = 1752668440.

The previous prime is 2190835531. The next prime is 2190835571. The reversal of 2190835555 is 5555380912.

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

It is not a de Polignac number, because 2190835555 - 2⁵ = 2190835523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219083551 + ... + 219083560.

It is an arithmetic number, because the mean of its divisors is an integer number (657250668).

Almost surely, 2^2190835555 is an apocalyptic number.

2190835555 is a deficient number, since it is larger than the sum of its proper divisors (438167117).

2190835555 is an equidigital number, since it uses as much as digits as its factorization.

2190835555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438167116.

The product of its (nonzero) digits is 270000, while the sum is 43.

The square root of 2190835555 is about 46806.3623346228. The cubic root of 2190835555 is about 1298.7829941815.

The spelling of 2190835555 in words is "two billion, one hundred ninety million, eight hundred thirty-five thousand, five hundred fifty-five".