2189090395 has 8 divisors (see below), whose sum is σ = 2660160960. Its totient is φ = 1729104000.

The previous prime is 2189090381. The next prime is 2189090399. The reversal of 2189090395 is 5930909812.

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

It is not a de Polignac number, because 2189090395 - 2⁵ = 2189090363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2189090399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770606 + ... + 2771395.

It is an arithmetic number, because the mean of its divisors is an integer number (332520120).

Almost surely, 2^2189090395 is an apocalyptic number.

2189090395 is a deficient number, since it is larger than the sum of its proper divisors (471070565).

2189090395 is an equidigital number, since it uses as much as digits as its factorization.

2189090395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542085.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 2189090395 is about 46787.7162832297. The cubic root of 2189090395 is about 1298.4380441730.

The spelling of 2189090395 in words is "two billion, one hundred eighty-nine million, ninety thousand, three hundred ninety-five".