2089619663 has 4 divisors (see below), whose sum is σ = 2090161968. Its totient is φ = 2089077360.

The previous prime is 2089619611. The next prime is 2089619669. The reversal of 2089619663 is 3669169802.

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 2089619663 - 2¹⁴ = 2089603279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089619669) 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, 265331 + ... + 273092.

It is an arithmetic number, because the mean of its divisors is an integer number (522540492).

Almost surely, 2^2089619663 is an apocalyptic number.

2089619663 is a deficient number, since it is larger than the sum of its proper divisors (542305).

2089619663 is an equidigital number, since it uses as much as digits as its factorization.

2089619663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542304.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 2089619663 is about 45712.3578805557. The cubic root of 2089619663 is about 1278.4657037358.

The spelling of 2089619663 in words is "two billion, eighty-nine million, six hundred nineteen thousand, six hundred sixty-three".