2889312663 has 4 divisors (see below), whose sum is σ = 3852416888. Its totient is φ = 1926208440.

The previous prime is 2889312661. The next prime is 2889312677. The reversal of 2889312663 is 3662139882.

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

It is not a de Polignac number, because 2889312663 - 2¹ = 2889312661 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 (2889312661) 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, 481552108 + ... + 481552113.

It is an arithmetic number, because the mean of its divisors is an integer number (963104222).

Almost surely, 2^2889312663 is an apocalyptic number.

2889312663 is a deficient number, since it is larger than the sum of its proper divisors (963104225).

2889312663 is an equidigital number, since it uses as much as digits as its factorization.

2889312663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963104224.

The product of its digits is 746496, while the sum is 48.

The square root of 2889312663 is about 53752.3270473009. The cubic root of 2889312663 is about 1424.2891972432.

The spelling of 2889312663 in words is "two billion, eight hundred eighty-nine million, three hundred twelve thousand, six hundred sixty-three".