2081363289 has 4 divisors (see below), whose sum is σ = 2775151056. Its totient is φ = 1387575524.

The previous prime is 2081363279. The next prime is 2081363293. The reversal of 2081363289 is 9823631802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2081363289 - 2⁷ = 2081363161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2081363289.

It is not an unprimeable number, because it can be changed into a prime (2081363209) 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, 346893879 + ... + 346893884.

It is an arithmetic number, because the mean of its divisors is an integer number (693787764).

Almost surely, 2^2081363289 is an apocalyptic number.

It is an amenable number.

2081363289 is a deficient number, since it is larger than the sum of its proper divisors (693787767).

2081363289 is an equidigital number, since it uses as much as digits as its factorization.

2081363289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693787766.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 2081363289 is about 45621.9606001320. The cubic root of 2081363289 is about 1276.7796834128.

The spelling of 2081363289 in words is "two billion, eighty-one million, three hundred sixty-three thousand, two hundred eighty-nine".